CVE-2026-114619 | Authlib up to 1.8.x Implicit Grant implicit.py improper authorization

October 22, 2026 Yanac

A vulnerability was found in Authlib up to 1.8.x and classified as problematic. This issue affects the function OpenIDImplicitGrant.validate_authorization_request of the file authlib/oidc/core/grants/implicit.py of the component Implicit Grant. Executing a manipulation can lead to improper authorization.

This vulnerability is handled as CVE-2026-114619. The attack can be executed remotely. There is not any exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More