Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since June 25, 2026.
CVE-2026-12569
PTC Windchill and FlexPLM Improper Input Validation Vulnerability
Added to KEV June 25, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-12569
- CWE
- CWE-20CWE-502
- Affected products
- Windchill and FlexPLM · PTC Windchill and FlexPLM · PTC
What happened
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.
What it means for your business
PTC Windchill and FlexPLM is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-12569). 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 remediation due date: 2026-06-28. If you need help checking exposure, call (864) 335-9223.
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.
CISA due date: June 28, 2026
Sources
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