CVE-2026-1747— Authentication Bypass Using an Alternate Path or Channel in GitLab
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I. Basic Information for CVE-2026-1747
Vulnerability Information
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Vulnerability Title
Authentication Bypass Using an Alternate Path or Channel in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 17.11 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that, under certain conditions, could have allowed Developer-role users with insufficient privileges to make unauthorized modifications to protected Conan packages.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab EE 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 EE 17.11版本至18.7.5之前版本、18.8版本至18.8.5之前版本和18.9版本至18.9.1之前版本存在安全漏洞，该漏洞源于在某些条件下，权限不足的Developer角色用户可能对受保护的Conan包进行未经授权的修改。
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-2026-1747
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Same Patch Batch · GitLab · 2026-02-25 · 9 CVEs total
| CVE-2026-0752 | 8.0 HIGH | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2025-14511 | 7.5 HIGH | Improper Validation of Specified Quantity in Input in GitLab |
| CVE-2026-1388 | 7.5 HIGH | Inefficient Regular Expression Complexity in GitLab |
| CVE-2026-1662 | 7.5 HIGH | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2026-2845 | 6.5 MEDIUM | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2025-3525 | 6.5 MEDIUM | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2026-1725 | 5.3 MEDIUM | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2025-14103 | 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-288
- CVE-2026-41308
Password Pusher: JSON API `/p.json` file upload alias bypass - CVE-2026-7458
User Verification by PickPlugins <= 2.0.46 - Unauthenticated - CVE-2026-7567
Temporary Login <= 1.0.0 - Authentication Bypass to Account - CVE-2026-40022
Apache Camel Platform HTTP Main: Authentication Bypass on No - CVE-2026-40630
SenseLive X3050 Authentication bypass using an alternate pat
V. Comments for CVE-2026-1747
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