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CVE-2025-12110— Keycloak: org.keycloak:keycloak-services: user can refresh offline session even after client's offline_access scope was removed

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，该漏洞源于移除客户端的offline_access范围后离线会话仍然有效，可能导致管理员误判离线会话可用性。

CVSS 5.4 · Medium EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2025-12110

Vulnerability Information
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Vulnerability Title
Keycloak: org.keycloak:keycloak-services: user can refresh offline session even after client's offline_access scope was removed
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Keycloak. An offline session continues to be valid when the offline_access scope is removed from the client. The refresh token is accepted and you can continue to request new tokens for the session. As it can lead to a situation where an administrator removes the scope, and assumes that offline sessions are no longer available, but they are.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
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，该漏洞源于移除客户端的offline_access范围后离线会话仍然有效，可能导致管理员误判离线会话可用性。
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 ~ 26.4.3 -
Red Hat Red Hat build of Keycloak 26.2 26.2.11-1 ~ * cpe:/a:redhat:build_keycloak:26.2::el9
Red Hat Red Hat build of Keycloak 26.2 26.2-12 ~ * cpe:/a:redhat:build_keycloak:26.2::el9
Red Hat Red Hat build of Keycloak 26.2 26.2-12 ~ * cpe:/a:redhat:build_keycloak:26.2::el9
Red Hat Red Hat build of Keycloak 26.2.11 - cpe:/a:redhat:build_keycloak:26.2::el9
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-2025-12110

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III. Intelligence Information for CVE-2025-12110

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Patches & Fixes for CVE-2025-12110 (1)

Vendor Advisories for CVE-2025-12110 (1)

IV. Related Vulnerabilities

Same product: keycloak
Same vendor: Keycloak
Same weakness: CWE-613

V. Comments for CVE-2025-12110

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