Red Hat Keycloak/Single Sign-On Update User Locale improper authorization

Summaryinfo

A vulnerability, which was classified as critical, was found in Red Hat Keycloak and Single Sign-On. Affected by this issue is some unknown functionality of the component Update User Locale. The manipulation results in improper authorization. This vulnerability is identified as CVE-2026-114438. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Red Hat Keycloak and Single Sign-On (affected version not known). It has been classified as critical. Affected is some unknown functionality of the component Update User Locale. 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 Update User Locale required action of the Keycloak identity and access management solution. When this action is ordered before the Configure OTP action in a realm, the system may fail to enforce mandatory multi-factor authentication enrollment during the login process. This issue allows an attacker with a valid password to access an account without setting up the required one-time password (OTP) credential.

The advisory is available at access.redhat.com. This vulnerability is traded as CVE-2026-114438 since 10/21/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. 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 10/21/2026). 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Red Hat

Name

• Keycloak
• Single Sign-On

License

• open-source

Website

• Vendor: https://www.redhat.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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