Redhat Build Of Keycloak
CVE-2026-15945
A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions (FGAP) v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching for a child group they have permission to view, the system incorrectly returns the full details of the parent group in the response, leading to the disclosure of sensitive group attributes and configuration.
What this means for your business
- It affects Redhat Build Of Keycloak. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, with an ordinary user login, and without anyone at your company clicking anything.
What to do
- 1Check whether your company or your suppliers run Redhat Build Of Keycloak, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
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Scoring
- CVSS
- 4.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N- Weakness
- CWE-639
- Assigned by
- secalert@redhat.com
Dates
- Published
- 2026-07-16
- Last modified
- 2026-09-16
- Sources
- NVD
Affected products
- Redhat Build Of Keycloakall versions
- Redhat Data Grid8.0
- Redhat Jboss Enterprise Application Platform Expansion Packall versions
- Redhat Single Sign-On7.0
As listed in the NVD configuration data. Not a statement about your estate.