AI Summary

The Clop ransomware gang is targeting Internet‑exposed PTC Windchill and FlexPLM instances in a new data‑theft extortion campaign. The attackers are exploiting a critical improper input validation vulnerability, CVE‑2026‑12569, that lets them execute arbitrary code on vulnerable Windchill and FlexPLM systems. This vulnerability allows the gang to access and exfiltrate data from these platforms before demanding ransom. The campaign focuses on the exposed instances of these product lifecycle management tools.

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