{"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": "2026-10-01T18:03:27.484Z"}, "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"}}}}

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