CVE Watch30 de out. de 2026

CVE-2026-116672

Authlib is a Python library which builds OAuth and OpenID Connect servers. From 0.15 until 1.9.1, the documented ClientConfigurationEndpoint

CVSS

8.8

Alta

EPSS

0.3%

p20

KEV

—

Exploit Today

0-100

Publicado: 27 de out. de 2026 · Última mod.: 30 de out. de 2026 · CWE-639 · CWE-1188

EPSS · 30d

0.3%EPSS · 30 dias0.3%

2026-10-282026-11-07

Descrição técnica

Authlib is a Python library which builds OAuth and OpenID Connect servers. From 0.15 until 1.9.1, the documented ClientConfigurationEndpoint.authenticate_client and ClientConfigurationEndpoint.check_permission reference implementations look up a target client from request-controlled client_id data and check only whether that target is editable, without verifying that request.credential belongs to the target client. Deployments following both examples can allow a client holding any valid registration access token to read, modify, or delete another client's registration. Changing redirect_uris can enable authorization code or token interception, while deleting registrations can deny service to affected clients. This issue is fixed in version 1.9.1.

Referências oficiais

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