CVE-2026-25922

{"id": "CVE-2026-25922", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25922", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-02-17T16:19:07.903041Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "goauthentik", "product": "authentik", "versions": [{"status": "affected", "version": "< 2025.8.6"}, {"status": "affected", "version": ">= 2025.10.0-rc1, < 2025.10.4"}, {"status": "affected", "version": ">= 2025.10.0-rc1, < 2025.12.4"}]}]}], "published": "2026-02-12T20:16:10.910", "references": [{"url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2025.10.4", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2025.12.4", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/goauthentik/authentik/releases/tag/version%2F2025.8.6", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/goauthentik/authentik/security/advisories/GHSA-jh35-c4cc-wjm4", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "authentik is an open-source identity provider. Prior to 2025.8.6, 2025.10.4, and 2025.12.4, when using a SAML Source that has the option Verify Assertion Signature under Verification Certificate enabled and not Verify Response Signature, or does not have the Encryption Certificate setting under Advanced Protocol settings configured, it was possible for an attacker to inject a malicious assertion before the signed assertion that authentik would use instead. authentik 2025.8.6, 2025.10.4, and 2025.12.4 fix this issue."}, {"lang": "es", "value": "authentik es un proveedor de identidad de c\u00f3digo abierto. Antes de 2025.8.6, 2025.10.4 y 2025.12.4, al usar una Fuente SAML que tiene la opci\u00f3n Verificar Firma de Aserci\u00f3n bajo Certificado de Verificaci\u00f3n habilitada y no Verificar Firma de Respuesta, o no tiene la configuraci\u00f3n de Certificado de Cifrado bajo la configuraci\u00f3n de Protocolo Avanzado configurada, era posible para un atacante inyectar una aserci\u00f3n maliciosa antes de la aserci\u00f3n firmada que authentik usar\u00eda en su lugar. authentik 2025.8.6, 2025.10.4 y 2025.12.4 solucionan este problema."}], "lastModified": "2026-06-17T10:25:25.923", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "903E7E1D-C429-4016-BE4D-4336F534BB9A", "versionEndExcluding": "2025.8.6"}, {"criteria": "cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B646FA7-6B60-4018-9EA8-0C3C4F18BC21", "versionEndExcluding": "2025.10.4", "versionStartIncluding": "2025.10.0"}, {"criteria": "cpe:2.3:a:goauthentik:authentik:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A59D4BC9-5FAE-4A4F-A109-D754BD80A10C", "versionEndExcluding": "2025.12.4", "versionStartIncluding": "2025.12.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}