CVE-2026-12569
PTC Windchill PDMLink, PTC FlexPLM
Published 18 Jun 2026 · updated 1 Aug 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 25 Jun 2026, with a remediation deadline of 28 Jun 2026 for US federal agencies. It has been used in ransomware campaigns.
Required action: 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.
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 * The identified vulnerability also impacts Windchill and FlexPLM releases prior to 11.0 M030
References
- www.ptc.com/en/support/article/CS473270 · Permissions Required
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-12569 · US Government Resource