PT-2026-24583 · Red Hat+1 · Red Hat Build Of Keycloak+4

Drak3Hft7 · Published 2026-03-11 · Updated 2026-05-07 · CVE-2026-3911

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 An issue exists in Keycloak where an authenticated user possessing the view-users role can access and retrieve user attributes intended to be hidden. This occurs through exploitation of a flaw within the UserResource component by accessing a specific administrative endpoint. This unauthorized access leads to information disclosure of sensitive user data.

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

Weakness Enumeration

CWE-359

Related Identifiers

CVE-2026-3911

GHSA-XH32-C9WX-PHRP

Affected Products

Red Hat Build Of Keycloak

Red Hat Build Of Keycloak 26.4

Red Hat Build Of Keycloak 26.4.11

Build Of Keycloak

Org.Keycloak:Keycloak-Services

References · 13

• https://access.redhat.com/errata/RHSA-2026:6477 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2026:6478 · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-3911 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3911 · Security Note
• https://osv.dev/vulnerability/GHSA-xh32-c9wx-phrp · Vendor Advisory
• https://github.com/keycloak/keycloak · Note
• https://github.com/keycloak/keycloak/issues/46922 · Note
• https://github.com/keycloak/keycloak/commit/215bc1e27230f2a66670ed70262248b5f5254eb9 · Note
• https://github.com/keycloak/keycloak/pull/46923 · Note
• https://twitter.com/CVEnew/status/2033194325170159661 · Twitter Post
• https://t.me/cveNotify/162607 · Telegram Post
• https://t.me/CVEtracker/47103 · Telegram Post
• https://bugzilla.redhat.com/show_bug.cgi?id=2446392 · Note