{"id":"CVE-2026-77806","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-77806","summary":"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…","details":"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.","published":"2026-08-21T14:16:53.903","modified":"2026-08-21T14:16:53.903","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/rapid7/metasploit-framework/pull/21790","label":"rapid7/metasploit-framework#21790"},"references":[{"type":"WEB","url":"https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-21.html"},{"type":"WEB","url":"https://github.com/rapid7/metasploit-framework/pull/21790"},{"type":"WEB","url":"https://github.com/rapid7/metasploit-framework/pull/21790#issuecomment-5368038123"},{"type":"WEB","url":"https://github.com/rapid7/metasploit-framework/pull/21790/commits/b16eca819abb8f1401f21d115e71e3dfc67b847c"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-21T14:16:53.903"}}