CVE Tools
Sign in

CVE-2026-15945

Keycloak-services: keycloak-services: group hierarchy search discloses hidden parent groups under fgap v2

Published: Jul 16, 2026Updated: Aug 9, 2026 Sources: CVE List NVDCWE-639
4.3MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 90.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A flaw was found in the group search functionality of the Keycloak server's administrative API. When Fine-Grained Admin Permissions (FGAP) v2 is enabled, a delegated administrator can bypass access restrictions to view parent groups they are not authorized to see. By searching for a child group they have permission to view, the system incorrectly returns the full details of the parent group in the response, leading to the disclosure of sensitive group attributes and configuration.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-639

Affected Products

Red Hat
commercial·USaka redhat
Red Hat Build of Keycloak
Web & CMS Plugins
Red Hat Data Grid 8On-premDatabase
Databases / cache-message-queue
Red Hat JBoss Enterprise Application Platform Expansion PackOn-premOS
Operating Systems / linux-distro
Red Hat Single Sign-On 7On-premSecurity Product
Security Products / identity-access-mgmt
build of keycloakOn-prem
Operating Systems / linux-distro
data gridOn-prem
Operating Systems / linux-distro
jboss enterprise application platform expansion packOn-prem
Operating Systems / linux-distro
single sign-onOn-prem
Operating Systems / linux-distro

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-15945?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2026-15945
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2501302
bugzilla.redhat.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-15945 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows