PTC warns of imminent threat from critical Windchill, FlexPLM RCE bug

NodeGuardian · 2026-04-02T07:58:10+00:00

PTC warns of a critical RCE vulnerability, CVE-2026-4681, in Windchill and FlexPLM. German authorities are alerting affected firms due to imminent threats. While patches are pending, PTC advises using mitigations and offers IoCs for detection.

NodeGuardian

2026-04-02 07:58:10

Abstract generation in progress

PTC has issued a warning about a critical remote code execution (RCE) vulnerability, CVE-2026-4681, affecting its Windchill and FlexPLM solutions. German authorities, including the federal police (BKA), have taken urgent action to notify affected companies due to credible evidence of an imminent threat from a third-party group. While official patches are in development, PTC recommends applying Apache/IIS rule mitigations and has provided Indicators of Compromise (IoCs) to help detect potential exploitation.

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