PT-2026-47283 · Red Hat · Keycloak

Published 2026-06-08 · Updated 2026-06-08 · CVE-2026-11577

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

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

Description An improper access control flaw exists where a limited administrator can bypass Fine-Grained Admin Permissions (FGAP), which are detailed permissions that restrict administrative actions to specific resources. By utilizing the 'POST /admin/realms/{realm}/partialImport' endpoint, an attacker can escalate their privileges to a full realm administrator by importing users with realm-admin role mappings.

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

LPE

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-11577

Affected Products

Keycloak

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-11577 · Security Note
• https://github.com/keycloak/keycloak/issues/9387 · Note
• https://twitter.com/UpwindMDR/status/2064017259782111485 · Twitter Post
• https://twitter.com/CVEnew/status/2063958151108383035 · Twitter Post
• https://access.redhat.com/security/cve/CVE-2026-11577 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2459993 · Note