Critical severity9.8NVD Advisory· Published Aug 20, 2026
CVE-2026-77647
CVE-2026-77647
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.
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Affected products
1Patches
Vulnerability mechanics
References
2News mentions
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