CVE-2026-18207
MEDIUM
MEDIUM
Priority: 0.03
BB Relevance:
63/100
Published: 2026-07-29
Modified: 2026-11-06
First seen: 2026-11-06
Status: active
Attack Surface
Network
Low Complexity
No Interaction
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
None
I:
High
A:
None
Description
A flaw was found in the client policy enforcement mechanism of Keycloak. The issue occurs when the system checks group membership by name instead of a unique identifier. An attacker with client management privileges could bypass security policies by joining a group with a matching name in a different part of the group hierarchy, potentially allowing them to register or update clients without following required security hardening profiles.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| redhat | build_of_keycloak | - |
References & Advisories (3)
vendor-advisory
x_refsource_REDHAT
vendor-advisory
x_refsource_REDHAT
vdb-entry
x_refsource_REDHAT