CVE-2026-104056

No fix known EPSS <1%CVSS 9.8

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.

Published 2026-10-01 · CVE record · OSV

Products: authlib

Distro releases