Red Hat Keycloak/Single Sign-On keycloak-services improper authorization

Summaryinfo

A vulnerability categorized as problematic has been discovered in Red Hat Keycloak and Single Sign-On. This vulnerability affects unknown code of the component keycloak-services. The manipulation results in improper authorization. This vulnerability is reported as CVE-2026-116468. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Red Hat Keycloak and Single Sign-On (affected version unknown). Affected is an unknown functionality of the component keycloak-services. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in the group-move and organization group reparenting endpoints of the keycloak-services component. This component is responsible for core authentication and authorization services in the Red Hat build of Keycloak. The issue occurs because the system fails to check if a target parent group confers administrative roles when a group is moved. A delegated administrator can exploit this to move a group they control under an administrative group, causing all members to inherit full realm-admin privileges and gain complete control over the realm.

The advisory is available at access.redhat.com. This vulnerability is traded as CVE-2026-116468 since 10/26/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 11/11/2026). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Red Hat

Name

• Keycloak
• Single Sign-On

License

• open-source

Website

• Vendor: https://www.redhat.com/

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