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.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Public exploits 3
- SPIP X-Spip-Filtre Unauthenticated RCE (exploit module) Metasploit · verified · 2026-08-20
- Nxploited/CVE-2026-77647 PoC on GitHub
- piecar21/CVE-2026-77647 PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
Change history 1
- First seenCVSS 9.8NVD modified 2026-10-26 10:10
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.