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CVE-2025-10939— Org.keycloak/keycloak-quarkus-server: unable to restrict access to the admin console

Quick assessment

Affected
Keycloak keycloak
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.

Red Hat build of Keycloak是美国红帽（Red Hat）公司的一款用于单点登录的Web应用。 Red Hat build of Keycloak存在代码问题漏洞，该漏洞源于代理配置不当，可能导致通过非规范化路径访问/admin路径。

CVSS 3.7 · Low EPSS 0.38% · P31

Possible ATT&CK Techniques 1 AI

T1071 · Application Layer Protocol

Affected Version Matrix 5

VendorProduct Version RangeStatus
Keycloak keycloak < 26.4.4 affected
Red Hat Red Hat build of Keycloak 26.4 26.4.4-1< * unaffected
26.4-3< * unaffected
26.4-3< * unaffected
Red Hat Red Hat build of Keycloak 26.4.4 any unaffected
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I. Basic Information for CVE-2025-10939

Vulnerability Information
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Vulnerability Title
Org.keycloak/keycloak-quarkus-server: unable to restrict access to the admin console
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Keycloak. The Keycloak guides recommend to not expose /admin path to the outside in case the installation is using a proxy. The issue occurs at least via ha-proxy, as it can be tricked to using relative/non-normalized paths to access the /admin application path relative to /realms which is expected to be exposed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat build of Keycloak 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat build of Keycloak是美国红帽（Red Hat）公司的一款用于单点登录的Web应用。 Red Hat build of Keycloak存在代码问题漏洞，该漏洞源于代理配置不当，可能导致通过非规范化路径访问/admin路径。
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
Keycloak keycloak 0 ~ 26.4.4 -
Red Hat Red Hat build of Keycloak 26.4 26.4.4-1 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4 26.4-3 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4 26.4-3 ~ * cpe:/a:redhat:build_keycloak:26.4::el9
Red Hat Red Hat build of Keycloak 26.4.4 - cpe:/a:redhat:build_keycloak:26.4::el9

II. Public POCs for CVE-2025-10939

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III. Intelligence Information for CVE-2025-10939

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Patches & Fixes for CVE-2025-10939 (1)

Vendor Advisories for CVE-2025-10939 (2)

Other References for CVE-2025-10939 (1)

IV. Related Vulnerabilities

Same product: keycloak
Same vendor: Keycloak
Same weakness: CWE-427

V. Comments for CVE-2025-10939

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