CVE-2026-4363— Incorrect Authorization in GitLab
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I. Basic Information for CVE-2026-4363
Vulnerability Information
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Vulnerability Title
Incorrect Authorization in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.1 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that under certain conditions could have allowed an authenticated user to gain unauthorized access to resources due to improper caching of authorization decisions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab Enterprise Edition 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）是美国GitLab公司的一套内容管理系统。 GitLab Enterprise Edition 18.1至18.8.7之前版本、18.9至18.9.3之前版本和18.10至18.10.1之前版本存在安全漏洞，该漏洞源于授权决策缓存不当，可能导致经过身份验证的用户未经授权访问资源。
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-2026-4363
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Same Patch Batch · GitLab · 2026-03-25 · 11 CVEs total
| CVE-2026-3857 | 8.1 HIGH | Cross-Site Request Forgery (CSRF) in GitLab |
| CVE-2026-2995 | 7.7 HIGH | Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab |
| CVE-2026-3988 | 7.5 HIGH | Inefficient Algorithmic Complexity in GitLab |
| CVE-2026-2745 | 6.8 MEDIUM | Authentication Bypass Using an Alternate Path or Channel in GitLab |
| CVE-2026-1724 | 6.8 MEDIUM | Missing Authentication for Critical Function in GitLab |
| CVE-2025-13436 | 6.5 MEDIUM | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2025-13078 | 6.5 MEDIUM | Improper Validation of Specified Quantity in Input in GitLab |
| CVE-2026-2973 | 5.4 MEDIUM | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2026-2726 | 4.3 MEDIUM | Incorrect Authorization in GitLab |
| CVE-2025-14595 | 4.3 MEDIUM | Missing 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-863
- CVE-2026-42571
Privilege Escalation Attack affecting Pelican Web UI - CVE-2025-15633
HCL BigFix WebUI is affected by an improper authorization vu - CVE-2026-42296
Argo Workflows has incomplete fix for CVE-2026-31892: hostNe - CVE-2025-66170
Apache CloudStack: Any user can list backups that they shoul - CVE-2026-41903
FreeScout IDOR Vulnerability: PERM_EDIT_USERS allows modifyi
V. Comments for CVE-2026-4363
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