CVE-2026-12569: CWE-20 Improper input validation in PTC Windchill PDMLink
CVE-2026-12569 is a critical remote code execution vulnerability in PTC Windchill PDMLink and PTC FlexPLM. It arises from improper input validation leading to unsafe deserialization of untrusted data. The vulnerability affects multiple specific versions of Windchill PDMLink prior to 11.0 M030 and several later versions explicitly listed. No official patch or remediation guidance is currently provided by the vendor. The CVSS 4.0 score rates this vulnerability as critical with network attack vector and no required privileges or user interaction.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-12569) in PTC Windchill PDMLink and FlexPLM is due to improper input validation (CWE-20) and unsafe deserialization of untrusted data (CWE-502), which can lead to remote code execution. It affects specific versions of Windchill PDMLink including =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, as well as releases prior to 11.0 M030. The vulnerability allows an unauthenticated attacker to execute arbitrary code remotely with high impact on confidentiality, integrity, and availability. No vendor-provided patch or official remediation level is currently documented. The product is not a cloud service, so remediation depends on vendor patch releases.
Potential Impact
Successful exploitation allows unauthenticated remote attackers to execute arbitrary code on affected systems, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability with high severity, as indicated by the CVSS 4.0 score of 9.3. There are no known exploits in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor PTC advisories for updates. Until a patch is available, consider restricting network access to the affected services to trusted sources and applying any recommended vendor mitigations once published.
CVE-2026-12569: CWE-20 Improper input validation in PTC Windchill PDMLink
Description
CVE-2026-12569 is a critical remote code execution vulnerability in PTC Windchill PDMLink and PTC FlexPLM. It arises from improper input validation leading to unsafe deserialization of untrusted data. The vulnerability affects multiple specific versions of Windchill PDMLink prior to 11.0 M030 and several later versions explicitly listed. No official patch or remediation guidance is currently provided by the vendor. The CVSS 4.0 score rates this vulnerability as critical with network attack vector and no required privileges or user interaction.
CVSS v4.0
Score 9.3critical
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-12569) in PTC Windchill PDMLink and FlexPLM is due to improper input validation (CWE-20) and unsafe deserialization of untrusted data (CWE-502), which can lead to remote code execution. It affects specific versions of Windchill PDMLink including =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, as well as releases prior to 11.0 M030. The vulnerability allows an unauthenticated attacker to execute arbitrary code remotely with high impact on confidentiality, integrity, and availability. No vendor-provided patch or official remediation level is currently documented. The product is not a cloud service, so remediation depends on vendor patch releases.
Potential Impact
Successful exploitation allows unauthenticated remote attackers to execute arbitrary code on affected systems, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability with high severity, as indicated by the CVSS 4.0 score of 9.3. There are no known exploits in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor PTC advisories for updates. Until a patch is available, consider restricting network access to the affected services to trusted sources and applying any recommended vendor mitigations once published.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- PTC
- Date Reserved
- 2026-06-18T00:02:58.904Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a3339b5f198dc38c13bacaa
Added to database: 6/18/2026, 12:20:05 AM
Last enriched: 6/18/2026, 12:34:57 AM
Last updated: 6/18/2026, 1:30:26 AM
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.