CVE-2026-12569: PTC Windchill and FlexPLM Improper Input Validation Vulnerability
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
Other sources
PTC Windchill and FlexPLM contains an improper input validation vulnerability allowing an unauthenticated, remote attacker to execute arbitrary code by sending a malicious request to the network.
— CISA
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-12569?
CVE-2026-12569 has a critical severity rating of 9.3 according to CVSS.
How do I fix CVE-2026-12569?
To fix CVE-2026-12569, apply the latest security patches provided by PTC for Windchill PDMlink and related software.
What types of software are affected by CVE-2026-12569?
CVE-2026-12569 affects PTC Windchill PDMlink, PTC FlexPLM, and other related PTC applications.
What can an attacker achieve by exploiting CVE-2026-12569?
By exploiting CVE-2026-12569, an attacker can potentially execute remote code on affected systems.
What is the cause of the CVE-2026-12569 vulnerability?
The CVE-2026-12569 vulnerability is caused by improper input validation during the deserialization of untrusted data.