spip: SPIP before 4.4.21 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in Aug...
CVE-2026-77806 is fixed in spip on 1 platform, first by DEBIAN-CVE-2026-77806, released August 21, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| spip · Debian 13.5 (trixie) | 4.4.21+dfsg-0+deb13u1 | DEBIAN-CVE-2026-77806 | Aug 21, 2026 |
| spip · Debian 14 | 4.4.21+dfsg-1 | DEBIAN-CVE-2026-77806 | Aug 21, 2026 |
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