{ "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" } } ] } }