PT-2026-5499 · Red Hat · Keycloak

Published 2026-01-30 · Updated 2026-02-10 · CVE-2025-13881

Positive Technologies (AI Summary)

CVSS v3.1

2.7

Low

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Keycloak (affected versions not specified)

Description A flaw exists in the Keycloak Admin API that allows an administrator with limited privileges to retrieve sensitive custom attributes. This is achieved through the /unmanagedAttributes API endpoint, bypassing User Profile visibility settings. The issue allows access to user attributes that should not be exposed.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Privilege Assignment

Weakness Enumeration

CWE-266

Related Identifiers

CVE-2025-13881

GHSA-G78X-7VWX-9F58

Affected Products

Keycloak

References · 16

• https://access.redhat.com/errata/RHSA-2026:2366 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:2365 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-g78x-7vwx-9f58 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13881 · Security Note
• https://github.com/keycloak/keycloak · Note
• https://github.com/keycloak/keycloak/issues/45873 · Note
• https://github.com/keycloak/keycloak/commit/1d7ab8d5fb1403902f5152820a8fc734d38b08d2 · Note
• https://github.com/keycloak/keycloak/pull/45427 · Note
• https://github.com/keycloak/keycloak/commit/c5c83d6604d4c73139f38fce3ed7b7c4c38c09f2 · Note
• https://t.me/cveNotify/150537 · Telegram Post
• https://access.redhat.com/security/cve/CVE-2025-13881 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2418330 · Note
• https://twitter.com/drak3hft7/status/2017324690109325635 · Twitter Post
• https://reddit.com/r/CVEWatch/comments/1qts36h/top_10_trending_cves_02022026 · Reddit Post
• https://t.me/CVEtracker/43456 · Telegram Post