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#hestiacp

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Security Alerts May 19, 2026

CVE-2026-43633: Unauthenticated Deserialization RCE in HestiaCP

HestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a session format mismatch between PHP and Node.js that allows unauthenticated remo...