CRITICAL 9.8 NVD
CVE-2026-77806
SPIP before 4.4.21 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to code injection
SPIP before 4.4.21 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026. This is related to code injection via an X-Spip-Filtre HTTP request header that is mishandled by analyse_resultat_skel.
References
- https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-21.html
- https://github.com/rapid7/metasploit-framework/pull/21790
- https://github.com/rapid7/metasploit-framework/pull/21790#issuecomment-5368038123
- https://github.com/rapid7/metasploit-framework/pull/21790/commits/b16eca819abb8f1401f21d11
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-08-21 via NVD.
Risk Timeline
CVE Disclosed2026-08-21 · -1 days ago
Remediation Resources
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