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CVE-2024-4540 A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR)

Description

A flaw was found in Keycloak in OAuth 2.0 Pushed Authorization Requests (PAR). Client-provided parameters were found to be included in plain text in the KC_RESTART cookie returned by the authorization server's HTTP response to a `request_uri` authorization request, possibly leading to an information disclosure vulnerability.

Produits et versions touchés

Produit Versions touchées Corrigé en
Red Hat Build of Keycloak Versions non publiées
Red Hat build of Keycloak 22 22 premières → < 22-18 22-18
Red Hat build of Keycloak 24 24 premières → < 24-10 24-10
Red Hat Single Sign-On 7 Versions non publiées
Red Hat Single Sign-On 7.6 for RHEL 7 Versions non publiées
Red Hat Single Sign-On 7.6 for RHEL 8 Versions non publiées
Red Hat Single Sign-On 7.6 for RHEL 9 Versions non publiées
RHEL-8 based Middleware Containers 7.6 premières → < 7.6-49 7.6-49
Red Hat Single Sign-On 7.0 Versions non publiées

Références

Chronologie

  1. Publiée
  2. Dernière modification

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CVE-2026-97847 Keycloak-services: keycloak-services: client manager can substitute sessionless token principal via hardcoded-claim mappers to obtain realm administrator authority 7.1 Élevée CVE-2026-97175 Keycloak-services: keycloak-services: unverified idp email auto-linking enables account takeover 8.8 Élevée CVE-2026-97174 Keycloak-services: keycloak-services: ciba sub parameter injection causes attacker authentication to issue victim tokens 6.8 Moyenne CVE-2026-96453 Org.keycloak/keycloak-admin-cli: keycloak-admin-cli: kcadm custom truststore accepts arbitrary self-signed certificates 8.0 Élevée
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