{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44681","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-07T16:20:08.660Z","datePublished":"2026-05-27T19:20:44.122Z","dateUpdated":"2026-06-02T16:56:48.017Z"},"containers":{"cna":{"title":"Authlib: Open Redirect in Authlib OIDC Implicit/Hybrid Authorization","problemTypes":[{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/authlib/authlib/security/advisories/GHSA-r95x-qfjj-fjj2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/authlib/authlib/security/advisories/GHSA-r95x-qfjj-fjj2"}],"affected":[{"vendor":"authlib","product":"authlib","versions":[{"version":"< 1.6.12","status":"affected"},{"version":">= 1.7.0, < 1.7.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-27T19:20:44.122Z"},"descriptions":[{"lang":"en","value":"Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.12 and 1.7.1, an unauthenticated open redirect in Authlib's OpenIDImplicitGrant and OpenIDHybridGrant authorization endpoint lets a remote attacker cause the authorization server to issue an HTTP 302 to an attacker-chosen URL by submitting an authorization request that omits the openid scope. This vulnerability is fixed in 1.6.12 and 1.7.1."}],"source":{"advisory":"GHSA-r95x-qfjj-fjj2","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/authlib/authlib/security/advisories/GHSA-r95x-qfjj-fjj2","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-02T16:56:23.887057Z","id":"CVE-2026-44681","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"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":"2026-06-02T16:56:48.017Z"}}]}}