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MalwareNov 13, 2026

Hackers Exploit PHP2Shell Flaws in Check Point Gateways to Deploy TSGA Backdoor and Wipe ESXi Files

Hackers exploit PHP2Shell flaws in Check Point Gateways to deploy TSGA backdoor.

An unknown threat actor is exploiting PHP2Shell vulnerabilities and a privilege escalation flaw in Check Point's Gaia OS to deploy the TSGA backdoor. The attacks, which began on October 30, 2026, have targeted Israeli organizations.

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  • malware — TSGA

Entities

Check Point Security Gateways (product)Gaia OS (technology)