CVE-2026-5952— Incorrect Authorization in GitLab
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-5952
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 17.11 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to bypass package protection rules and overwrite protected Maven package metadata due to incorrect authorization checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司开源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 17.11至18.11.6之前版本、19.0至19.0.3之前版本和19.1至19.1.1之前版本存在授权问题漏洞，该漏洞源于授权检查不正确，可能导致具有开发者权限的认证用户绕过包保护规则并覆盖受保护的Maven包元数据。
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-2026-5952
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Patches & Fixes for CVE-2026-5952 (1)
Proof of Concept for CVE-2026-5952 (1)
- 🔗 Access denied | hackerone.com used Cloudflare to restrict access Read full article technical-descriptionexploitpermissions-required
Other References for CVE-2026-5952 (1)
Same Patch Batch · GitLab · 2026-06-25 · 13 CVEs total
| CVE-2026-10086 | 8.7 HIGH | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2026-12053 | 8.6 HIGH | Insertion of Sensitive Information into Log File in GitLab |
| CVE-2026-10712 | 8.0 HIGH | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2026-5309 | 5.4 MEDIUM | Authorization Bypass Through User-Controlled Key in GitLab |
| CVE-2026-11379 | 5.3 MEDIUM | Incorrect Authorization in GitLab |
| CVE-2026-2238 | 5.3 MEDIUM | Missing Authorization in GitLab |
| CVE-2026-8330 | 4.4 MEDIUM | Insertion of Sensitive Information into Log File in GitLab |
| CVE-2026-5796 | 4.3 MEDIUM | Incorrect Authorization in GitLab |
| CVE-2026-1606 | 4.3 MEDIUM | Improper Control of Generation of Code ('Code Injection') in GitLab |
| CVE-2026-0934 | 3.8 LOW | Incorrect Authorization in GitLab |
| CVE-2026-3176 | 3.1 LOW | Missing Authorization in GitLab |
| CVE-2026-12635 | Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab |
IV. Related Vulnerabilities
Same weakness: CWE-863
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JumpServer: Privilege Overwrite via Organization Invite Logi - CVE-2026-75480
OpenViking Debug Vector Endpoints Multi-tenant Data Exposure - CVE-2026-66792
Multicloud-operators-subscription: multicloud-operators-subs - CVE-2026-10527
Boards plugin retains Board Admin rights for users demoted t
V. Comments for CVE-2026-5952
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