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Red Hat Build Of Keycloak CVE-2026-17059

| EUVDEUVD-2026-48598 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2026-07-24 redhat GHSA-4w3x-69m8-478c
6.5
CVSS 3.1 · NVD
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Severity by source

Vendor (redhat) PRIMARY
MEDIUM
qualitative
NVD
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Red Hat
6.5 MEDIUM
qualitative

Primary rating from Vendor (redhat).

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

1
Analysis Generated
Jul 26, 2026 - 12:18 vuln.today

DescriptionNVD

A flaw was found in the role-users endpoint of the keycloak-services library, which is the core component of the Keycloak identity and access management solution. The issue occurs because the system fails to check if an administrator has permission to view individual users when listing members of a role. This allows a restricted administrator to see private information, such as names and email addresses, for users they should not be able to access.

AnalysisAI

Information disclosure in Red Hat Build of Keycloak allows restricted administrators to view private user details (names, email addresses) via the role-users endpoint, due to a missing permission check. The flaw affects the keycloak-services library, exposing sensitive data to low-privilege users. …

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Vendor StatusVendor

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CVE-2026-17059 vulnerability details – vuln.today

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