## Authlib: OpenID implicit grant checks raw scope instead of allowed scope before issuing ID tokens

- 種別: advisory
- 重大度: medium
- 関連技術: python
- CVE: CVE-2026-114619
- 公開日時: 2026-10-27T15:38:53.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-q686-2qmg-hqc7)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-q686-2qmg-hqc7

影響: pip:authlib < 1.9.0 → 1.9.0
Report metadata | Field | Value | | --- | --- | | Package | authlib (PyPI, pkg:pypi/authlib) | | Repository | https://github.com/authlib/authlib | | Component | authlib.oidc.core.grants.implicit.OpenIDImplicitGrant.validate_authorization_request | | Vulnerability class | Authorization bypass: a client's scope restriction is bypassed for OpenID Connect ID token issuance | | Verified against | c529a61af40e3efe05286140e00fbdced07d7987 (v1.8.0). Earlier releases were not checked. | | API surface |…