CVE-2026-12569
Improper Input Validation in PTC Windchill and FlexPLM. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 25 June 2026.
- Product
- PTC Windchill and FlexPLM
- Added to CISA's catalog
- Federal fix-by date
- Ransomware
- Known to be used in ransomware
- Vendor advisories
- Sources
- CISA’s catalog, NVD entry
CISA’s description.
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.
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.