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Critical PTC Windchill Vulnerability CVE-2026-12569 Actively Exploited; CISA Orders Federal Remediation

1h ago· 1 min readenNews
technologycybersecuritynewsvulnerability disclosure

Summary

CVE-2026-12569 is a critical vulnerability in PTC Windchill and FlexPLM caused by improper input validation, allowing remote unauthenticated attackers to execute arbitrary code. CISA has added it to its Known Exploited Vulnerabilities catalog, mandating federal agency remediation by June 28. PTC released patches on June 17 and published indicators of compromise on June 18, warning of persistent JSP webshells enabling remote command execution and data exfiltration. The threat actor remains unidentified.

Source

bskyCritical PTC Windchill Vulnerability CVE-2026-12569 Actively Exploited; CISA Orders Federal Remediationbriefly.co

Key quotes

· 3 pulled
CISA added the flaw to its Known Exploited Vulnerabilities catalog, requiring federal agencies to remediate by June 28.
PTC released patches and mitigations on June 17 and published indicators of compromise on June 18.
The IoCs warn of persistent JSP webshells enabling remote command execution and data exfiltration.
Snippet from the RSS feed
CVE-2026-12569 affects PTC Windchill and FlexPLM and stems from improper input validation. A remote, unauthenticated attacker can exploit it using specially crafted requests to execute arbitrary code. CISA added the flaw to its Known Exploited Vulnerabili

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