{"id":"CVE-2026-104056","published":"2026-10-01T19:17:19.033","lastModified":"2026-10-05T19:17:14.327","description":"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.","cvssScore":9.8,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":["CWE-345","CWE-346","CWE-829"],"vendors":[],"products":[],"references":[{"url":"https://uziii2208.github.io/post/cve-2026-104056/","tags":[]},{"url":"https://uziii2208.github.io/post/cve-2026-104056/","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":{"summary":"The flaw allows a poisoned discovery response to replace all endpoint values with attacker-controlled values, bypassing security measures and potentially leading to unauthorized access or manipulation of the application.","exploitability":"Exploitation is relatively straightforward as it requires control over the discovery response, which may be feasible in environments with misconfigured or unsecured metadata URLs.","blast_radius":"If exploited, the vulnerability could have a wide impact, potentially allowing attackers to control critical endpoints and compromise the entire application.","remediation":"Upgrade to Authlib version 1.7.3 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","web","json","metadata","security"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-06T08:44:23.743Z"}}