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CVE-2025-11984— Authentication Bypass Using an Alternate Path or Channel in GitLab

Quick assessment

Affected
GitLab GitLab
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.

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 18.4.6之前版本、18.5版本至18.5.4之前版本和18.6版本至18.6.2之前版本存

CVSS 6.8 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts
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I. Basic Information for CVE-2025-11984

Vulnerability Information
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Vulnerability Title
Authentication Bypass Using an Alternate Path or Channel in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to bypass WebAuthn two-factor authentication by manipulating the session state under certain conditions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 18.4.6之前版本、18.5版本至18.5.4之前版本和18.6版本至18.6.2之前版本存
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
GitLab GitLab 13.1 ~ 18.4.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-11984

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III. Intelligence Information for CVE-2025-11984

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Patches & Fixes for CVE-2025-11984 (1)

Other References for CVE-2025-11984 (2)

Same Patch Batch · GitLab · 2025-12-11 · 10 CVEs total

CVE-2025-12716 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-12029 8.0 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-8405 7.7 HIGH Improper Encoding or Escaping of Output in GitLab
CVE-2025-12562 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-14157 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-4097 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-13978 4.3 MEDIUM Generation of Error Message Containing Sensitive Information in GitLab
CVE-2025-11247 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2025-12734 3.5 LOW Improper Encoding or Escaping of Output in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-288

V. Comments for CVE-2025-11984

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