{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104056","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","state":"PUBLISHED","assignerShortName":"certcc","dateReserved":"2026-10-01T18:01:19.689Z","datePublished":"2026-10-01T18:03:27.484Z","dateUpdated":"2026-10-05T18:21:14.480Z"},"containers":{"cna":{"title":"CVE-2026-104056","descriptions":[{"lang":"en","value":"Authlib version 1.7.2 and below contains a vulnerability where discovery JSON metadata is cached without validation or issuer-origin binding. This allows a poisoned discovery response to replace all endpoint values with attacker-controlled values rather than endpoint URLs that share the origin of the configured server metadata URL."}],"source":{"discovery":"UNKNOWN"},"affected":[{"vendor":"Authlib","product":"Authlib","versions":[{"status":"affected","version":"1.7.2"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-345 Insufficient Verification of Data Authenticity"}]},{"descriptions":[{"lang":"en","description":"CWE-346 Origin Validation Error"}]},{"descriptions":[{"lang":"en","description":"CWE-829 Inclusion of Functionality from Untrusted Control Sphere"}]}],"references":[{"url":"https://uziii2208.github.io/post/cve-2026-104056/"}],"x_generator":{"engine":"VINCE 3.0.49","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-104056"},"providerMetadata":{"orgId":"37e5125f-f79b-445b-8fad-9564f167944b","shortName":"certcc","dateUpdated":"2026-10-01T18:03:27.484Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-345","lang":"en","description":"CWE-345 Insufficient Verification of Data Authenticity"},{"type":"CWE","cweId":"CWE-346","lang":"en","description":"CWE-346 Origin Validation Error"},{"type":"CWE","cweId":"CWE-829","lang":"en","description":"CWE-829 Inclusion of Functionality from Untrusted Control Sphere"}]}],"references":[{"url":"https://uziii2208.github.io/post/cve-2026-104056/","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T18:21:10.671606Z","id":"CVE-2026-104056","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T18:21:14.480Z"}}]}}