6.5
Moyenne
CVE-2026-37979 A flaw was found in Keycloak
Description
A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect (OIDC) token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other resource servers, compromising the confidentiality of lightweight access tokens. This issue can be exploited remotely by any confidential client in the realm with valid credentials.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat Build of Keycloak | Versions non publiées | |
| Red Hat build of Keycloak 26.4 26.4 | premières → < 26.4-17 | 26.4-17 |
| Red Hat build of Keycloak 26.4.12 | Versions non publiées |
Références
- RHSA-2026:19596 access.redhat.com
- RHSA-2026:19597 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2455328 bugzilla.redhat.com
Chronologie
- Publiée
- Dernière modification
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