Vulnerability intelligence
CVE-2026-77806
SPIP before 4.4.21 allows unauthenticated remote attackers to execute arbitrary code, as exploited in the wild in August This is related to code injection via an X-Spip-Filtre HTTP request header that is mishandled by analyse_resultat_skel.
CVSS Score
9.8
Critical
EPSS — Exploit Probability
4.5%
Riskier than 91% of all CVEs · checked 2026-10-05
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered Aug 21, 2026 · latest Aug 21, 2026
Coverage timeline
-
Critical SPIP flaw CVE-2026-77806 lets hackers run code remotelysecurityonline.info · Aug 21, 2026