{"id":"CVE-2026-77647","title":"SPIP before 4.4.20 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August 2026","summary":"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 suc…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-94"],"published":"2026-08-20","updated":"2026-09-08","sourceUpdated":"2026-09-08T19:29:09.680","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77647","references":[{"url":"https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-20.html","label":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-security-announce/2026/msg00359.html","label":"cve@mitre.org"}],"tags":["nvd","in-the-wild","exploit-available"],"epss":0.02292,"epssPercentile":0.83142,"exploited":true,"exploits":{"github":2,"githubRepos":["https://github.com/Nxploited/CVE-2026-77647","https://github.com/piecar21/CVE-2026-77647"],"metasploit":["exploit/multi/http/spip_x_spip_filtre_rce"],"checkedAt":"2026-10-27T19:13:06.189Z"},"exploitAvailable":true,"ingestedAt":"2026-09-08T20:10:03.157Z","slug":"CVE-2026-77647","body":"## Overview\n\nSPIP 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":72,"depthScoreParts":{"impact":53.9,"likelihood":0.5,"exploitation":18,"ransomware":0},"changes":[]}