CVE Watch31 de out. de 2026

CVE-2026-115910

Python Social Auth is a social authentication and registration mechanism. Prior to 6.2.0, OpenIdConnectAuth in social_core/backends/open_id_

CVSS

6.8

Média

EPSS

0.2%

KEV

—

Exploit Today

0-100

Publicado: 26 de out. de 2026 · Última mod.: 31 de out. de 2026 · CWE-345 · CWE-384

EPSS · 30d

0.2%EPSS · 30 dias0.2%

2026-10-272026-11-05

Descrição técnica

Python Social Auth is a social authentication and registration mechanism. Prior to 6.2.0, OpenIdConnectAuth in social_core/backends/open_id_connect.py uses get_and_store_nonce to place the OpenID Connect nonce in a shared OpenIdConnectAssociation table, and get_nonce and validate_claims verify only that the nonce exists and has not expired rather than binding it to the browser session and OAuth state that initiated the login. An attacker who obtains a victim's unused authorization code can start a separate login to obtain valid state for the attacker's browser, submit the victim's code with that state, and pass nonce validation because the victim nonce is globally available. With DEFAULT_USE_PKCE disabled in the default OpenIdConnectAuth configuration, the attacker can be logged in as the victim. This issue is fixed in version 6.2.0.

Referências oficiais

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