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CVE-2026-1035 A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class…

Description

A flaw was found in the Keycloak server during refresh token processing, specifically in the TokenManager class responsible for enforcing refresh token reuse policies. When strict refresh token rotation is enabled, the validation and update of refresh token usage are not performed atomically. This allows concurrent refresh requests to bypass single-use enforcement and issue multiple access tokens from the same refresh token. As a result, Keycloak’s refresh token rotation hardening can be undermined.

Produits et versions touchés

Produit Versions touchées Corrigé en
Red Hat Build of Keycloak Versions non publiées
Red Hat JBoss Enterprise Application Platform 8 Versions non publiées
Red Hat JBoss Enterprise Application Platform Expansion Pack Versions non publiées
Red Hat Single Sign-On 7 Versions non publiées
Red Hat build of Keycloak 26.4 26.4 premières → < 26.4-14 26.4-14
Red Hat build of Keycloak 26.4.11 Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification

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