CVE-2026-77647 [CRITICAL] – SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as e

SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to incorrect identification of <?php blocks, and var_export's mishandling of certain cases such as presence of a '<' character.