Keycloak-server: keycloak: improper access control in admin rest api leads to information disclosure

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Summary

CVECVE-2025-14083
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-01-21 13:16:02 UTC
Updated2026-04-02 14:16:23 UTC
DescriptionA flaw was found in the Keycloak Admin REST API. This vulnerability allows the exposure of backend schema and rules, potentially leading to targeted attacks or privilege escalation via improper access control.

Risk And Classification

Primary CVSS: v3.1 2.7 LOW from [email protected]

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

EPSS: 0.000350000 probability, percentile 0.101650000 (date 2026-04-02)

Problem Types: CWE-284 | CWE-284 Improper Access Control

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary2.7LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
3.1CNACVSS2.7LOWCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Red Hat Build Of Keycloak 26.4 unaffected 26.4-14 * rpm Not specified
CNA Red Hat Red Hat Build Of Keycloak 26.4 unaffected 26.4.11-1 * rpm Not specified
CNA Red Hat Red Hat Build Of Keycloak 26.4 unaffected 26.4-14 * rpm Not specified
CNA Red Hat Red Hat Build Of Keycloak 26.4.11 Not specified Not specified

References

ReferenceSourceLinkTags
access.redhat.com/errata/RHSA-2026:6478 [email protected] access.redhat.com
access.redhat.com/security/cve/CVE-2025-14083 [email protected] access.redhat.com
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
access.redhat.com/errata/RHSA-2026:6477 [email protected] access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Muhammad Usman (HackerSSG) (securetackles) for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2025-12-05T05:58:23.043ZReported to Red Hat.
CNA2025-12-05T00:00:00.000ZMade public.

Workarounds

CNA: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

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