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CVE-2026-11577

Keycloak: keycloak: privilege escalation via partialimport fgap permission bypass

Published: Jun 8, 2026Updated: Jun 8, 2026 Sources: CVE List NVD
NVD MITRE
7.2CVSS
HIGH

A flaw was found in Keycloak. A limited administrator can exploit an improper access control vulnerability in the POST /admin/realms/{realm}/partialImport endpoint. This allows them to bypass Fine-Grained Admin Permissions (FGAP) and escalate their privileges to a full realm administrator by importing users with realm-admin role mappings.

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High

Weaknesses

CWE-863

Affected Products

Red Hat Build of Keycloak
Red Hat
Red Hat Data Grid 8
Red Hat
Red Hat JBoss Enterprise Application Platform 8
Red Hat
Red Hat JBoss Enterprise Application Platform Expansion Pack
Red Hat
Red Hat Single Sign-On 7
Red Hat

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2026-11577
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2459993
bugzilla.redhat.com
https://github.com/keycloak/keycloak/issues/9387
github.com

Timeline

Published
Jun 8, 2026
Last Updated
Jun 8, 2026

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