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CVE-2025-11429— Keycloak-server: too long and not settings compliant session

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，该漏洞源于会话管理逻辑缺陷，未验证当前域级别配置，可能导致会话劫持或未经授权的长期访问。

CVSS 5.4 · Medium EPSS 0.24% · P13
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I. Basic Information for CVE-2025-11429

Vulnerability Information
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Vulnerability Title
Keycloak-server: too long and not settings compliant session
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Keycloak. Keycloak does not immediately enforce the disabling of the "Remember Me" realm setting on existing user sessions. Sessions created while "Remember Me" was active retain their extended session lifetime until they expire, overriding the administrator's recent security configuration change. This is a logic flaw in session management increases the potential window for successful session hijacking or unauthorized long-term access persistence. The flaw lies in the session expiration logic relying on the session-local "remember-me" flag without validating the current realm-level configuration.
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，该漏洞源于会话管理逻辑缺陷，未验证当前域级别配置，可能导致会话劫持或未经授权的长期访问。
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 ~ 26.4.1 -
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

II. Public POCs for CVE-2025-11429

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III. Intelligence Information for CVE-2025-11429

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Patches & Fixes for CVE-2025-11429 (2)

Vendor Advisories for CVE-2025-11429 (1)

Other References for CVE-2025-11429 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2025-11429

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