{"id":44125,"date":"2026-08-10T13:49:55","date_gmt":"2026-08-10T13:49:55","guid":{"rendered":"https:\/\/fidelissecurity.com\/?post_type=vulnerabilities&#038;p=44125"},"modified":"2026-08-20T03:54:19","modified_gmt":"2026-08-20T03:54:19","slug":"cve-2026-12569","status":"publish","type":"vulnerabilities","link":"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-12569\/","title":{"rendered":"CVE-2026-12569"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"44125\" class=\"elementor elementor-44125\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"vulnerabilities\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10f184a e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"10f184a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e2ebbc elementor-widget elementor-widget-heading\" data-id=\"0e2ebbc\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"summary\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Summary<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0352243 elementor-widget elementor-widget-text-editor\" data-id=\"0352243\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tCVE-2026-12569 is a critical remote code execution vulnerability affecting PTC Windchill PDMlink and FlexPLM. The flaw stems from the deserialization of untrusted data, allowing an attacker to execute arbitrary code remotely without authentication. It impacts releases prior to Windchill and FlexPLM 11.0 M030, including all CPS versions. The vulnerability has been actively exploited in the wild, added to CISA&#8217;s Known Exploited Vulnerabilities (KEV) catalog, and has been linked to campaigns deploying JSP web shells and, more recently, attacks associated with a Cl0p ransomware affiliate. Organizations using affected versions should apply PTC&#8217;s security updates and follow the vendor&#8217;s remediation guidance without delay.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b3f860 elementor-widget elementor-widget-heading\" data-id=\"0b3f860\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"actions-required\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Urgent Actions Required<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e58d2d elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"8e58d2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Apply the latest security updates and follow the remediation guidance provided by PTC immediately.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Restrict internet exposure of the Windchill login endpoint wherever operationally possible. <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check-square\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Hunt for compromise using PTC's published indicators of compromise (IoCs), including checking for unauthorized JSP web shells and related malicious activity.<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6059c5 elementor-widget elementor-widget-heading\" data-id=\"e6059c5\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"vulnerable-systems\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Which Systems Are Vulnerable to\u202fCVE-2026-12569?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91f5818 elementor-widget elementor-widget-heading\" data-id=\"91f5818\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Technical Overview\u202f<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d261fe2 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"d261fe2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Vulnerability Type:<\/b> Remote Code Execution (RCE) through Deserialization of Untrusted Data <\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Affected Software\/Versions:<\/b> <ul> <li>PTC Windchill PDMlink releases prior to 11.0 M030, including all CPS versions<\/li> <li>PTC FlexPLM releases prior to 11.0 M030, including all CPS versions<\/li> <li>Additional affected releases include:<\/li><\/ul> <ol> <li><b>Windchill PDMlink:<\/b> 11.1 M020, 11.2.1.0, 12.0.2.0, 12.1.2.0, 13.0.2.0, 13.1.0.0, 13.1.1.0, 13.1.2.0, and 13.1.3.0<\/li> <li><b>FlexPLM:<\/b> 11.1 M020, 11.2.1.0, 12.0.0.0, 12.0.2.0, 12.1.2.0, 12.1.3.0, 13.0.2.0, and 13.0.3.0<\/li><\/ol><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>CVSS Vector:\u202fv3.1<\/b> <ul> <li>Attack Vector: Network<\/li> <li>Attack Complexity: Low<\/li> <li>Privileges Required: None <\/li> <li>User Interaction: None <\/li> <li>Scope: Unchanged<\/li> <li>Confidentiality Impact: High<\/li> <li>Integrity Impact: High <\/li> <li>Availability Impact: High<\/li><\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-check\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Patch Availability:<\/b>\u202fYes, available\u202f<ol> <li><a href=\"https:\/\/www.ptc.com\/en\/about\/trust-center\/advisory-center\/active-advisories\/windchill-flexplm-rce-vulnerability\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">Customer &amp; Partner Updates: Remote Code Execution Vulnerability in PTC\u2019s Windchill and FlexPLM Solutions | June 2026 | PTC<\/a><\/li> <\/ol><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-759b53d elementor-widget elementor-widget-heading\" data-id=\"759b53d\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"exploitation-path\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Does the\u202fCVE-2026-12569 Exploit Work?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e9e9cb elementor-widget elementor-widget-text-editor\" data-id=\"0e9e9cb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span class=\"TextRun SCXW89133380 BCX8\" lang=\"EN-IN\" xml:lang=\"EN-IN\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW89133380 BCX8\">The attack typically follows these steps:<\/span><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b05bab elementor-widget elementor-widget-image\" data-id=\"2b05bab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1966\" height=\"2560\" src=\"https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/08\/CVE-2026-12569-scaled.webp\" class=\"attachment-full size-full wp-image-44127\" alt=\"CVE-2026-12569\" srcset=\"https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/08\/CVE-2026-12569-scaled.webp 1966w, https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/08\/CVE-2026-12569-230x300.webp 230w, https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/08\/CVE-2026-12569-786x1024.webp 786w, https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/08\/CVE-2026-12569-768x1000.webp 768w, https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/08\/CVE-2026-12569-1179x1536.webp 1179w, https:\/\/fidelissecurity.com\/wp-content\/uploads\/2026\/08\/CVE-2026-12569-1572x2048.webp 1572w\" sizes=\"(max-width: 1966px) 100vw, 1966px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a93a1eb elementor-widget elementor-widget-heading\" data-id=\"a93a1eb\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"root-cause\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What Causes\u202fCVE-2026-12569?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7275c12 elementor-widget elementor-widget-text-editor\" data-id=\"7275c12\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Vulnerability Root Cause:\u202f<\/strong>\u202f\u202f<\/p><p>CVE-2026-12569 is caused by the deserialization of untrusted data in PTC Windchill PDMlink and FlexPLM. Improper input validation allows the applications to process untrusted serialized data, creating an opportunity for an attacker to execute arbitrary code remotely. Because the flaw can be exploited without authentication, a successful attack can result in complete compromise of the affected system.\u202f<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-496d048 e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"496d048\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1e32da elementor-widget elementor-widget-heading\" data-id=\"e1e32da\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"mitigation\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Can You Mitigate\u202fCVE-2026-12569?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f81845 elementor-widget elementor-widget-text-editor\" data-id=\"4f81845\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>If immediate patching is delayed or not possible:\u202f<\/p><ul><li>Restrict internet access to the Windchill login endpoint wherever operationally feasible.<\/li><li>Block the identified attacker command-and-control IP address (5.180.41.35) at the network perimeter.<\/li><li>Configure WAF or IDS rules to block requests containing the X-windchill-req header.<\/li><li>Search for suspicious POST requests targeting \/Windchill\/login\/*.jsp and inspect systems for unauthorized JSP web shells.<\/li><li>Use PTC&#8217;s published indicators of compromise (IoCs) to perform threat hunting and identify signs of compromise in affected environments.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-048e63e elementor-widget elementor-widget-heading\" data-id=\"048e63e\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"asset-and-systems-risk\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Which Assets and Systems Are at Risk?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a622920 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"a622920\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Asset Types Affected:<\/b> <ul> <li>PTC Windchill PDMlink deployments running affected versions, including all CPS releases<\/li> <li>PTC FlexPLM deployments running affected versions, including all CPS releases<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Business-Critical Systems at Risk:<\/b> <ul> <li>Product Data Management (PDM) systems running PTC Windchill PDMlink<\/li> <li>Product Lifecycle Management (PLM) systems running PTC FlexPLM<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Exposure Level:<\/b> <ul> <li>Internet-accessible Windchill and FlexPLM instances are at the highest risk and should be secured immediately<\/li> <li>Organizations in the aerospace, automotive, manufacturing, and retail\/apparel sectors have been observed as targets in active exploitation campaigns<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebd4fd9 elementor-widget elementor-widget-heading\" data-id=\"ebd4fd9\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"patching\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Will Patching\u202fCVE-2026-12569 Cause Downtime?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d3ff488 elementor-widget elementor-widget-text-editor\" data-id=\"d3ff488\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Patch application impact:\u202f<\/strong>Low. Apply the security updates released by PTC for affected Windchill PDMlink and FlexPLM deployments as soon as possible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16d5fc0 elementor-widget elementor-widget-heading\" data-id=\"16d5fc0\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"detection\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">How Can You Detect\u202fCVE-2026-12569 Exploitation?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3af05b1 elementor-widget elementor-widget-heading\" data-id=\"3af05b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Exploitation Signatures:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a539b10 elementor-widget elementor-widget-text-editor\" data-id=\"a539b10\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLook for HTTP POST requests targeting \/Windchill\/login\/*.jsp, newly created JSP files in the \/Windchill\/login\/ directory matching hexadecimal naming patterns, and requests containing the X-windchill-req header. These behaviors have been associated with active exploitation of CVE-2026-12569.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d388fac elementor-widget elementor-widget-heading\" data-id=\"d388fac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Indicators of Compromise (IOCs\/IOAs):\u202f<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4912b8f elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"4912b8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">HTTP POST requests to \/Windchill\/login\/*.jsp<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Suspicious JSP web shells in \/Windchill\/login\/ with hexadecimal filenames<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Presence of flst.txt in \/tmp or the Windchill working directory<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Requests containing the X-windchill-req header<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Connections to the IP addresses published by PTC as part of its IoC list<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ccf3cc elementor-widget elementor-widget-heading\" data-id=\"1ccf3cc\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"remediation-response\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Remediation &amp; Response<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2280585 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"2280585\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Remediation Timeline:<\/b> <ul> <li>Immediate (0-2 hrs): Apply PTC's security updates or follow the vendor's remediation guidance for affected Windchill and FlexPLM systems. <\/li> <li>Within 24 hrs: Verify that all affected deployments have been updated and check for indicators of compromise (IoCs) published by PTC.<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-long-arrow-alt-right\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Incident Response Considerations:<\/b> <ul> <li>Search for HTTP POST requests targeting \/Windchill\/login\/*.jsp and inspect systems for suspicious JSP web shells.<\/li> <li>Check for the presence of flst.txt and review logs for requests containing the X-windchill-req header.<\/li><li>Block known malicious IP addresses published by PTC and investigate any systems showing signs of compromise.<\/li> <\/ul><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cf1f94 content-align-cta-default elementor-widget elementor-widget-eael-cta-box\" data-id=\"9cf1f94\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-cta-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"eael-call-to-action cta-basic bg-lite cta-preset-1\">\n        <h4 class=\"title eael-cta-heading\"><span class=\"eael-cta-title-text elementor-repeater-item-ba8b47d\">Strengthen NDR<\/span> <span class=\"eael-cta-title-text elementor-repeater-item-581abbc\">With<\/span> <span class=\"eael-cta-title-text elementor-repeater-item-e8718a5\">Deception-Driven Detection<\/span> <\/h4><ul style=\"color: #ffffff\">\n \t<li style=\"list-style-type: none\">\n<ul style=\"color: #ffffff\">\n \t<li style=\"list-style-type: none\">\n<ul style=\"color: #ffffff\">\n \t<li>Learn how deception enhances traditional NDR capabilities<\/li>\n \t<li>Reduce false positives with high-fidelity threat alerts<\/li>\n \t<li>Detect lateral movement and attacker activity earlier<\/li>\n<li>Improve SOC efficiency with actionable attack context<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul><a href=\"https:\/\/fidelissecurity.com\/resource\/whitepaper\/deception-enhanced-network-threat-detection-response\/\" class=\"cta-button cta-preset-1  \">Download the Whitepaper <\/a>\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6753ae5c e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"6753ae5c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9cc6dc7 elementor-widget elementor-widget-heading\" data-id=\"9cc6dc7\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"cvss-breakdown-table\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">CVSS Breakdown Table\u202f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76c57f0 elementor-widget elementor-widget-Table\" data-id=\"76c57f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"Table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<table class=\"tafe-table \">\n\t\t\t<thead  class=\"tafe-table-header\">\n\t\t\t\t<tr>\n\t\t\t\t\t<th class=\"elementor-inline-editing elementor-repeater-item-58d4a4b\"   >Metric<\/th><th class=\"elementor-inline-editing elementor-repeater-item-5df925d\"   >Value\u202f<\/th><th class=\"elementor-inline-editing elementor-repeater-item-1a6f993\"   >Description<\/th>\t\t\t\t<\/tr>\n\t\t\t<\/thead>\n\t\t\t\t\t\t<tbody class=\"tafe-table-body\">\n\t\t\t\t<tr>\n\t\t\t\t\t<td data-label=\"Metric\"   class=\"elementor-repeater-item-480a869 td-content-type-default\" >Base Score<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-ff1827d td-content-type-default\" >9.8<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-5024640 td-content-type-default\" >Indicates a critical remote code execution vulnerability with severe impact and easy exploitability <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-1ddd412 td-content-type-default\" >Attack Vector<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-bbd7e7e td-content-type-default\" >Network<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-4a0a1fd td-content-type-default\" >The vulnerability can be exploited remotely over the network <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-6c597f3 td-content-type-default\" >Attack Complexity<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-ed0abd9 td-content-type-default\" >Low<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-7a9fabf td-content-type-default\" >Exploitation does not require special conditions or complex attack techniques <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-91f8a20 td-content-type-default\" >Privileges Required<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-5531257 td-content-type-default\" >None<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-7e3c677 td-content-type-default\" >An attacker does not need to authenticate before attempting exploitation <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-2a08640 td-content-type-default\" >User Interaction <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-ba738dd td-content-type-default\" >None<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-86ba742 td-content-type-default\" >No action from a legitimate user is required for a successful attack <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-83d4b57 td-content-type-default\" >Scope <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-a033634 td-content-type-default\" >Unchanged <\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-2f5ca21 td-content-type-default\" >The vulnerability impacts the vulnerable application without changing its security authority <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-9e69ec2 td-content-type-default\" >Confidentiality Impact <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-60a205a td-content-type-default\" >High<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-b6f0509 td-content-type-default\" >Successful exploitation can expose sensitive information stored or processed by the affected system <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-9f056c9 td-content-type-default\" >Integrity Impact <\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-1a6b266 td-content-type-default\" >High<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-4e63a19 td-content-type-default\" >An attacker can execute arbitrary code, allowing unauthorized modification of data or system behavior <\/td><\/tr><tr><td data-label=\"Metric\"   class=\"elementor-repeater-item-d664870 td-content-type-default\" >Availability Impact<\/td><td data-label=\"Value\u202f\"   class=\"elementor-repeater-item-bfc0d04 td-content-type-default\" >High<\/td><td data-label=\"Description\"   class=\"elementor-repeater-item-6066841 td-content-type-default\" >Exploitation can significantly disrupt or compromise the availability of the affected system <\/td>\t\t\t\t<\/tr>\n\t\t\t<\/tbody>\n\t\t<\/table>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-29f0fef e-ecs-flex e-flex e-con-boxed e-con e-parent\" data-id=\"29f0fef\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ecs_container_type&quot;:&quot;flex&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fd79500 elementor-widget elementor-widget-heading\" data-id=\"fd79500\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"resources\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">References:<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3bdf004 elementor-widget elementor-widget-text-editor\" data-id=\"3bdf004\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol>\n \t<li><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2026-12569\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">NVD &#8211; CVE-2026-12569<\/a><\/li>\n \t<li><a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-12569\" target=\"_blank\" rel=\"noopener nofollow noreferrer\">CVE Record: CVE-2026-12569<\/a><\/li>\n<\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>CVE-2026-12569 is a critical PTC Windchill and FlexPLM vulnerability enabling unauthenticated remote code execution through unsafe deserialization.<\/p>\n","protected":false},"featured_media":44127,"template":"","severity":[1483],"vuln_year":[1524],"class_list":["post-44125","vulnerabilities","type-vulnerabilities","status-publish","has-post-thumbnail","hentry","severity-critical","vuln_year-1524"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CVE-2026-12569: PTC Windchill &amp; FlexPLM RCE | Fidelis Security<\/title>\n<meta name=\"description\" content=\"CVE-2026-12569 critical PTC Windchill and FlexPLM vulnerability enabling unauthenticated remote code execution through unsafe deserialization\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fidelissecurity.com\/es\/vulnerabilities\/cve-2026-12569\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta 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