{"schema":"threatline.record/2","record":{"id":"CVE-2026-104056","aliases":[],"summary":"CVE-2026-104056","details":"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.","categories":["Unclassified"],"product":"Authlib","vendor":"Authlib","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104056","source_modified_at":"2026-10-05T18:21:14.480Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Authlib","vendor":"Authlib","versions":[{"status":"affected","version":"1.7.2"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":false},"epss":{"probability":0.00167,"percentile":0.05686,"score_date":"2026-10-23"},"published_at":"2026-10-01T18:03:27.484Z","modified_at":"2026-10-05T18:21:14.480Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-104056","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-05T18:21:14.480Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-104056","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://uziii2208.github.io/post/cve-2026-104056/","tags":["exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"poc","automatable":"yes","technical_impact":"total","assessed_at":"2026-10-05T18:21:10.671606Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-05T18:21:14.480Z","content_hash":"d65ed43e982175eab346e3d50dcff06c6755a5af321dd1219b8544ada2d4c0f7"}}