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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "SPIP", "vendor": "SPIP", "versions": [{"lessThan": "4.4.21", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-77806", "lastModified": "2026-08-21T14:16:53.903", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-08-21T14:16:53.903", "references": [{"source": "[email protected]", "url": "https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-21.html"}, {"source": "[email protected]", "url": "https://github.com/rapid7/metasploit-framework/pull/21790"}, {"source": "[email protected]", "url": "https://github.com/rapid7/metasploit-framework/pull/21790#issuecomment-5368038123"}, {"source": "[email protected]", "url": "https://github.com/rapid7/metasploit-framework/pull/21790/commits/b16eca819abb8f1401f21d115e71e3dfc67b847c"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "[email protected]", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.4.21)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "SPIP", "source": "cna", "vendor": "SPIP"}, "product": "spip", "vendor": "spip"}], "created": "2026-08-21T15:30:05.033715+00:00", "updated": "2026-08-21T15:30:05.033733+00:00", "vendors": ["spip", "spip$PRODUCT$spip"]}