CVE-2025-13881

Low

Description

A flaw was found in Keycloak Admin API. This vulnerability allows an administrator with limited privileges to retrieve sensitive custom attributes via the /unmanagedAttributes endpoint, bypassing User Profile visibility settings.

SeverityLow

CVSS2.7

Exploit probability—

ProductOrg.keycloak:keycloak-services

PublishedFeb 2, 2026

First seenFeb 2, 2026

Weakness typeCWE-266CWE-266

How to fix

Update

org.keycloak:keycloak-services26.5.2, 26.4.9 or later

Vendor advisories

access.redhat.com/errata/RHSA-2026:2365
access.redhat.com/errata/RHSA-2026:2366

Affected products

Product	Affected versions	Fixed in
org.keycloak:keycloak-servicesMaven	26.5.0 ≤ v < 26.5.2, v < 26.4.9	26.5.2, 26.4.9

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.