CVE-2026-71981

Cypht versions before 2.12.2 contain a PHP object injection vulnerability in the logout handler. The back_query GET parameter accepts a base64-encoded serialized payload that is passed directly to unserialize() without an allow-list, signature check, or type restriction, enabling gadget-chain exp...

EUVD-2026-69650

Cypht before 2.12.2 contains a PHP object injection vulnerability that allows authenticated attackers to execute arbitrary operating system commands by supplying a crafted PHP object graph in the backquery GET parameter of the logout handler. Attackers can pass a base64-encoded serialized payload...