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CVE-2025-9957— Incorrect Authorization 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是美国GitLab公司的一个端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE/EE 18.9.6之前版本、18.10.4之前版本和18.11.1之前版本存在安全漏洞，该漏洞源于授权检查不当，可能导致具有项目所有者权限的经过身份验证的用户在特定条件下绕过组分支预防设置。

CVSS 2.7 · Low EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts
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I. Basic Information for CVE-2025-9957

Vulnerability Information
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Vulnerability Title
Incorrect Authorization in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.2 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user with project owner permissions to bypass group fork prevention settings due to improper authorization checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE/EE 18.9.6之前版本、18.10.4之前版本和18.11.1之前版本存在安全漏洞，该漏洞源于授权检查不当，可能导致具有项目所有者权限的经过身份验证的用户在特定条件下绕过组分支预防设置。
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 11.2 ~ 18.9.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-9957

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III. Intelligence Information for CVE-2025-9957

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Patches & Fixes for CVE-2025-9957 (1)

Same Patch Batch · GitLab · 2026-04-22 · 11 CVEs total

CVE-2026-4922 8.1 HIGH Cross-Site Request Forgery (CSRF) in GitLab
CVE-2026-5262 8.0 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-5816 8.0 HIGH Improper Resolution of Path Equivalence in GitLab
CVE-2025-0186 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-3922 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-6016 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1660 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-6515 5.4 MEDIUM Insufficient Session Expiration in GitLab
CVE-2026-5377 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-3254 3.5 LOW Improper Restriction of Rendered UI Layers or Frames in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-863

V. Comments for CVE-2025-9957

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