CVE-2026-77806
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-77806 is indexed in GitHub PoC. Expect opportunistic scanning and exploitation attempts — prioritize remediation even though it is not (yet) in the CISA KEV catalog.
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.
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Exploitation outlook
- Low exploitation risk0.79% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 53% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-77806 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
Advisory coverage (1)
External references
Embed the live status
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[](https://www.csirts.com/cve/CVE-2026-77806)