CVE-2026-82968: Red Hat Build Of Keycloak

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A flaw was found in the first-broker-login flow of the Keycloak identity management service. When a user links a social identity provider account to their local account, the verification proof generated is not strictly bound to the specific upstream identity being verified. This allows an attacker with a different account on the same social provider to intercept the process and link their own account to the victim's local profile, gaining unauthorized access.

Affected products

• Red Hat Red Hat Build Of Keycloak
• Red Hat Red Hat Single Sign-On 7

Published 2026-09-02. Last modified 2026-09-03.