5.4
Medium
CVE-2026-117627 A flaw was found in the JWT Authorization Grant implementation of the keycloak-services component
Description
A flaw was found in the JWT Authorization Grant implementation of the keycloak-services component. When an OIDC or Google identity provider is configured with specific login restrictions, such as claim filtering, these checks are correctly applied during standard browser logins but are skipped during the JWT-based grant flow. This allows an authenticated client to obtain access tokens for a user even if their identity provider claims should have blocked the login.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Build of Keycloak | Versions not published | |
| Red Hat Single Sign-On 7 | Versions not published |
References
- access.redhat.com access.redhat.com
- RHBZ#2561959 bugzilla.redhat.com
Timeline
- Published
- Last modified
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