CVE-2026-72709

SPIP before 4.4.18 is affected by a missing authorization vulnerability in the administrative action endpoints under ecrire/action/. The root cause is the absence of a server-side permission check via autoriser(): an unauthenticated attacker can obtain a valid HMAC-SHA256 nonce, compute it for an...

CVE-2026-72709 SPIP < 4.4.18 Missing Authorization via ecrire/action/ editer_auteur

SPIP before 4.4.18 contains a missing authorization vulnerability in the administrative action endpoints under ecrire/action/ that allows unauthenticated attackers to perform privileged actions by supplying a valid HMAC-SHA256 nonce without any server-side permission check via autoriser. Attacker...