CVE-2026-5816— Improper Resolution of Path Equivalence in GitLab
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I. Basic Information for CVE-2026-5816
Vulnerability Information
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Vulnerability Title
Improper Resolution of Path Equivalence in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径等价的解析不恰当
Source: NVD (National Vulnerability Database)
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 18.10.4之前版本和18.11.1之前版本存在安全漏洞，该漏洞源于特定条件下路径验证不当，可能导致未经身份验证的用户在用户浏览器会话中执行任意JavaScript。
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
II. Public POCs for CVE-2026-5816
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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-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 |
| CVE-2025-9957 | 2.7 LOW | Incorrect Authorization in GitLab |
IV. Related Vulnerabilities
Same product: GitLab
- CVE-2026-3254
Improper Restriction of Rendered UI Layers or Frames in GitL - CVE-2026-4922
Cross-Site Request Forgery (CSRF) in GitLab - CVE-2025-0186
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-3922
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-6016
Allocation of Resources Without Limits or Throttling in GitL
Same vendor: GitLab
- CVE-2026-3254
Improper Restriction of Rendered UI Layers or Frames in GitL - CVE-2026-4922
Cross-Site Request Forgery (CSRF) in GitLab - CVE-2025-0186
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-3922
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-6016
Allocation of Resources Without Limits or Throttling in GitL
Same weakness: CWE-41
- CVE-2026-34510
OpenClaw < 2026.3.22 - Remote File URL Acceptance in Windows - CVE-2026-23674
MapUrlToZone Security Feature Bypass Vulnerability - CVE-2025-58290
Huawei HarmonyOS 安全漏洞 - CVE-2025-54107
MapUrlToZone Security Feature Bypass Vulnerability - CVE-2024-8765
Improper Path Equivalence Resolution in lunary-ai/lunary
V. Comments for CVE-2026-5816
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