CVE-2026-77647
CRITICAL NVDCVSS Score
9.8
Severity
CRITICAL
Source
NVD
Published
Aug 20, 2026
Description
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.