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CVE-2025-14083— Keycloak-server: keycloak: improper access control in admin rest api leads to information disclosure

Quick assessment

Affected
Red Hat Red Hat build of Keycloak 26.4
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Keycloak是Keycloak开源的一种开源身份和访问管理解决方案。 Keycloak存在访问控制错误漏洞，该漏洞源于可能暴露后端架构和规则，可能导致访问控制不当，引发针对性攻击或权限提升。

CVSS 2.7 · Low EPSS 0.36% · P27
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I. Basic Information for CVE-2025-14083

Vulnerability Information
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Vulnerability Title
Keycloak-server: keycloak: improper access control in admin rest api leads to information disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
A 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Keycloak 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Keycloak是Keycloak开源的一种开源身份和访问管理解决方案。 Keycloak存在访问控制错误漏洞，该漏洞源于可能暴露后端架构和规则，可能导致访问控制不当，引发针对性攻击或权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat build of Keycloak 26.4 26.4.11-1 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4 26.4-14 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4 26.4-14 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4.11 - cpe:/a:redhat:build_keycloak:26.4::el9

II. Public POCs for CVE-2025-14083

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III. Intelligence Information for CVE-2025-14083

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Vendor Advisories for CVE-2025-14083 (3)

Same Patch Batch · Red Hat · 2026-01-21 · 4 CVEs total

CVE-2025-14559 6.5 MEDIUM Org.keycloak/keycloak-services: keycloak keycloak-services: business logic flaw allows una
CVE-2026-0988 3.7 LOW Glib: glib: denial of service via integer overflow in g_buffered_input_stream_peek()
CVE-2026-1035 3.1 LOW Org.keycloak.protocol.oidc: keycloak refresh token reuse bypass via toctou race condition

IV. Related Vulnerabilities

Same product: Red Hat build of Keycloak 26.4
Same vendor: Red Hat
Same weakness: CWE-284

V. Comments for CVE-2025-14083

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