CVE-2026-4916— Missing Authorization in GitLab
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I. Basic Information for CVE-2026-4916
Vulnerability Information
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Vulnerability Title
Missing Authorization in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that could have allowed an authenticated user with custom role permissions to demote or remove higher-privileged group members due to improper authorization checks on member management operations.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
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存在安全漏洞，该漏洞源于成员管理操作授权检查不当，可能导致权限降级或移除。以下版本受到影响：GitLab CE/EE 18.8.9之前版本的18.2至18.8版本、18.9.5之前版本的18.9版本和18.10.3之前版本的18.10版本。
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-2026-4916
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Same Patch Batch · GitLab · 2026-04-08 · 11 CVEs total
| CVE-2026-5173 | 8.5 HIGH | Exposed Dangerous Method or Function in GitLab |
| CVE-2026-1092 | 7.5 HIGH | Improper Validation of Specified Quantity in Input in GitLab |
| CVE-2025-12664 | 7.5 HIGH | Improper Validation of Specified Quantity in Input in GitLab |
| CVE-2026-1101 | 6.5 MEDIUM | Improper Validation of Specified Quantity in Input in GitLab |
| CVE-2026-1516 | 5.7 MEDIUM | Improper Control of Generation of Code ('Code Injection') in GitLab |
| CVE-2026-4332 | 5.4 MEDIUM | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2026-2619 | 4.3 MEDIUM | Incorrect Authorization in GitLab |
| CVE-2026-2104 | 4.3 MEDIUM | Authorization Bypass Through User-Controlled Key in GitLab |
| CVE-2026-1752 | 4.3 MEDIUM | Incorrect Authorization in GitLab |
| CVE-2025-9484 | 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-862
- CVE-2021-47932
WordPress TheCartPress 1.5.3.6 Privilege Escalation Unauthen - CVE-2025-15634
HCL BigFix WebUI is affected by a missing authorization vuln - CVE-2026-42297
Argo Workflows Is Missing Authorization in Sync ConfigMap Pr - CVE-2026-42174
Kirby: User avatar creation, replacement and deletion are no - CVE-2026-42137
Kirby: `pages.access/list` and `files.access/list` permissio
V. Comments for CVE-2026-4916
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