7.3
Élevée
CVE-2026-9086 A flaw was found in Keycloak
Description
A flaw was found in Keycloak. A remote attacker with administrative privileges, specifically those with `manage-client` permission or access to client registration endpoints, could bypass client Uniform Resource Identifier (URI) validation. This is achieved by registering a malicious client with a specially crafted redirect URI using a case-insensitive `javascript:` or `data:` scheme. This Cross-Site Scripting (XSS) vulnerability allows for arbitrary code execution in the Keycloak origin when a victim clicks the crafted link, such as in the logout flow or the Admin Console.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| Red Hat Build of Keycloak | Versions non publiées | |
| Red Hat build of Keycloak 26.6 26.6 | premières → < 26.6-8 | 26.6-8 |
| Red Hat build of Keycloak 26.6.4 | Versions non publiées | |
| Red Hat build of Keycloak 26.4 26.4 | premières → < 26.4-19 | 26.4-19 |
| Red Hat build of Keycloak 26.4.13 | Versions non publiées |
Autres CVE de Red Hat Build of Keycloak
Les 277 CVE de Red Hat Build of Keycloak →
CVE-2026-120984
Keycloak-services: keycloak-services: manage-clients to arbitrary code execution through inline javascript policy import
9.1
Critique
CVE-2026-9797
Keycloak: keycloak: privilege escalation via client authentication manipulation by an authenticated administrator
6.5
Moyenne
CVE-2026-97848
Keycloak-services: keycloak-services: protocol mapper with jsontype=json bypasses token sanitization
6.5
Moyenne
CVE-2026-97367
Keycloak-services: keycloak-services: dcr azp and sid claim substitution allows account rest session takeover
6.4
Moyenne