Critical
KEV + Ransomware
CVE-2026-12569
Clop ransomware attacks Shell, GE, and Philips via PTC vulnerability
Vendor / product: PTC Windchill and FlexPLM
Event date: 2026-06-26
Victim organization: Shell
Public PoC: Yes
First tracked by RiskWire: 2026-08-14
CISA KEV catalog
Added to KEV
Federal remediation due
2026-06-28 (84 days overdue)
Ransomware campaign use
Known
CISA 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.
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.
Named threat actors
Clop
Sources & citations (10)
- Shell investigates 'potential incident' after Clop data theft claims bleepingcomputer.com · 2026-08-14
- Shell Investigates Clop Data Theft Claims Tied to PTC Flaw esecurityplanet.com · 2026-08-14
- Clop Hacks Shell, GE, Philips in 43-Victim PTC Windchill Zero-Day Campaign techtimes.com · 2026-08-15
- Energy and medical technology groups likely victims of massive data theft heise.de · 2026-08-17
- Philips and GE investigating Clop ransomware data theft claims bleepingcomputer.com · 2026-08-17
- Multiple organisations investigating fresh wave of Cl0p breaches computerweekly.com · 2026-08-17
- Philips and GE Investigate Clop Ransomware Data Theft Claims esecurityplanet.com · 2026-08-17
- Clop created custom web shell for Windchill data theft attacks bleepingcomputer.com · 2026-08-18
- Cl0p Hackers Exploit PTC Windchill Flaw to Steal Passwords and Sensitive Company Data cybersecuritynews.com · 2026-08-19
- Clop-Linked Windchill Web Shell Decrypts Credentials and Maps Engineering Data thehackernews.com · 2026-08-19
References
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