{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45795","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-13T08:19:32.603Z","datePublished":"2026-07-16T16:35:58.581Z","dateUpdated":"2026-07-16T18:06:23.420Z"},"containers":{"cna":{"title":"Janssen Project: JWE Request Object Signature Verification Bypass in jans-auth-server","problemTypes":[{"descriptions":[{"cweId":"CWE-347","lang":"en","description":"CWE-347: Improper Verification of Cryptographic Signature","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"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"}}],"references":[{"name":"https://github.com/JanssenProject/jans/security/advisories/GHSA-r3gj-4pj2-9j3j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/JanssenProject/jans/security/advisories/GHSA-r3gj-4pj2-9j3j"},{"name":"https://github.com/JanssenProject/jans/pull/13438","tags":["x_refsource_MISC"],"url":"https://github.com/JanssenProject/jans/pull/13438"},{"name":"https://github.com/JanssenProject/jans/commit/0cdd214870ee30eb2186261f21c85b9e9fc63b5c","tags":["x_refsource_MISC"],"url":"https://github.com/JanssenProject/jans/commit/0cdd214870ee30eb2186261f21c85b9e9fc63b5c"},{"name":"https://github.com/JanssenProject/jans/releases/tag/v2.0.0","tags":["x_refsource_MISC"],"url":"https://github.com/JanssenProject/jans/releases/tag/v2.0.0"}],"affected":[{"vendor":"JanssenProject","product":"jans","versions":[{"version":"< 2.0.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-16T16:35:58.581Z"},"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."}],"source":{"advisory":"GHSA-r3gj-4pj2-9j3j","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/JanssenProject/jans/security/advisories/GHSA-r3gj-4pj2-9j3j","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T18:05:48.605170Z","id":"CVE-2026-45795","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-16T18:06:23.420Z"}}]}}