{"id":"CVE-2026-12569","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-12569","generatedAt":"2026-10-31T04:56:27.140Z","title":"PTC Windchill and FlexPLM Improper Input Validation Vulnerability","description":"A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of untrusted data.   *  This advisory also applies to all CPS versions\n  *  The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030","published":"2026-06-18T01:18:12.000Z","lastModified":"2026-08-01T05:16:55.000Z","status":"Analyzed","sourceIdentifier":"0b655efc-079c-4cb9-9e8d-164871239f4e","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-20","CWE-502"],"affected":["ptc/flexplm","ptc/windchill pdmlink"],"epss":{"score":0.46049,"percentile":0.98808,"date":"2026-10-30","history":[{"date":"2026-09-24","score":0.46049,"percentile":0.98767}]},"kev":{"listed":true,"dateAdded":"2026-06-25","dueDate":"2026-06-28","knownRansomwareCampaignUse":"Known","notes":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\nhttps://www.ptc.com/en/support/article/CS473270 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-12569"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 28 June 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-24T00:00:00.000Z","detail":{"to":0.46049,"from":0.40586,"percentile":0.98767},"summary":"EPSS moved from 40.6% to 46.0% probability of exploitation in the next thirty days."}],"references":[{"url":"https://www.ptc.com/en/support/article/CS473270","tags":["Permissions Required"],"source":"0b655efc-079c-4cb9-9e8d-164871239f4e"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-12569","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-12569","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}