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CVE-2026-2366

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CVE-2026-2366

Published: Mar 12, 2026

Modified: Apr 2, 2026

PUBLISHED

CVSS v3.1

3.1

LOW

Description

A flaw was found in Keycloak. An authorization bypass vulnerability in the Keycloak Admin API allows any authenticated user, even those without administrative privileges, to enumerate the organization memberships of other users. This information disclosure occurs if the attacker knows the victim's unique identifier (UUID) and the Organizations feature is enabled.

VendorProductVersions

Red Hat

Red Hat build of Keycloak 26.4

unaffected
26.4.11-1 - < *

Red Hat

Red Hat build of Keycloak 26.4

unaffected
26.4-14 - < *

Red Hat

Red Hat build of Keycloak 26.4

unaffected
26.4-14 - < *

Red Hat

Red Hat build of Keycloak 26.4.11

All versions

Weaknesses (CWE)

CWE-639

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

RHSA-2026:6477
vendor-advisory
x_refsource_REDHAT
RHSA-2026:6478
vendor-advisory
x_refsource_REDHAT
RHBZ#2439081
issue-tracking
x_refsource_REDHAT

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