CVE-2026-45795

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{"affected": [{"affectedData": [{"product": "jans", "vendor": "JanssenProject", "versions": [{"status": "affected", "version": "< 2.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Janssen Project is an open-source identity and access management (IAM) platform. Prior to 2.0.0, jans-auth-server accepts unsigned JWE request objects because JwtAuthorizationRequest skips inner signature validation when jwe.getSignedJWTPayload() returns null, and AuthzRequestService.processRequestObject() does not reject the unrecognized RSA-OAEP algorithm when forceSignedRequestObject=true. This issue is fixed in version 2.0.0."}, {"lang": "es", "value": "El Proyecto Janssen es una plataforma de c\u00f3digo abierto de gesti\u00f3n de identidades y accesos (IAM). Antes de la versi\u00f3n 2.0.0, jans-auth-servidor acepta objetos de solicitud JWE sin firmar porque JwtAuthorizationRequest omite la validaci\u00f3n de la firma interna cuando jwe.getSignedJWTPayload() devuelve nulo, y AuthzRequestService.processRequestObject() no rechaza el algoritmo RSA-OAEP no reconocido cuando forceSignedRequestObject=true. Este problema se corrige en la versi\u00f3n 2.0.0."}], "id": "CVE-2026-45795", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45795", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-16T18:05:48.605170Z", "version": "2.0.3"}}]}, "published": "2026-07-16T17:16:56.820", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/JanssenProject/jans/commit/0cdd214870ee30eb2186261f21c85b9e9fc63b5c"}, {"source": "security-advisories@github.com", "url": "https://github.com/JanssenProject/jans/pull/13438"}, {"source": "security-advisories@github.com", "url": "https://github.com/JanssenProject/jans/releases/tag/v2.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/JanssenProject/jans/security/advisories/GHSA-r3gj-4pj2-9j3j"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/JanssenProject/jans/security/advisories/GHSA-r3gj-4pj2-9j3j"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.0.0)"}}], "enrichment": {"confidence": 86.0, "confidence_source": "matching", "scores": [{"score": 86.0, "source": "matching"}]}, "original": {"product": "jans", "source": "cna", "vendor": "JanssenProject"}, "product": "jansson", "vendor": "jansson_project"}], "created": "2026-07-17T16:00:05.236741+00:00", "updated": "2026-07-31T01:45:06.899882+00:00", "vendors": ["jansson_project", "jansson_project$PRODUCT$jansson"]}