security —

PTC patches critical Windchill, FlexPLM flaw allowing remote code execution CVE-2026-126325

A serious security vulnerability affecting Windchill and FlexPLM software has prompted PTC to issue patches, as a successful exploitation of this flaw could permit remote code execution.

PTC patches critical Windchill, FlexPLM flaw allowing remote code execution CVE-2026-126325

This security defect, designated as CVE-2026-126325, has been assessed with a CVSS v4 rating of 9.2, representing a high level of risk out of a possible 10.0. The nature of this vulnerability stems from inadequate validation of incoming data combined with the deserialization of information originating from untrusted sources, which could lead to the described outcome.

This situation underscores the ongoing operational necessity for robust input validation mechanisms within enterprise platform software, particularly those managing complex engineering data like Windchill and FlexPLM.

Why it matters

Operators relying on Windchill or FlexPLM must apply these patches immediately to prevent a severe security breach. Improper input validation flaws like this pose a direct threat to platform integrity and operational continuity. Monitor advisories for deployment timelines across your infrastructure.

Reported by thehackernews.com.

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