CVE-2026-6277— Incorrect Authorization in GitLab
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-6277
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 EE affecting all versions from 13.9 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user with Security Manager-role permissions to manage project security configuration even when the relevant feature was in a disabled state, due to incorrect authorization enforcement.
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 Enterprise Edition（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 13.9之前版本、18.10.8之前版本、18.11.5之前版本和19.0.2之前版本存在安全漏洞，该漏洞源于授权执行不正确，可能导致具有安全管理员角色权限的经过身份验证的用户管理项目安全配置。
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-2026-6277
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Other References for CVE-2026-6277 (1)
Same Patch Batch · GitLab · 2026-06-11 · 11 CVEs total
| CVE-2026-10087 | 8.7 HIGH | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2026-7250 | 7.5 HIGH | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2026-8589 | 7.3 HIGH | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi |
| CVE-2026-1500 | 6.5 MEDIUM | Allocation of Resources Without Limits or Throttling in GitLab |
| CVE-2026-6269 | 5.4 MEDIUM | Incorrect Authorization in GitLab |
| CVE-2026-9204 | 5.3 MEDIUM | Server-Side Request Forgery (SSRF) in GitLab |
| CVE-2026-10733 | 4.3 MEDIUM | Improper Restriction of Rendered UI Layers or Frames in GitLab |
| CVE-2026-6976 | 3.7 LOW | Authorization Bypass Through User-Controlled Key in GitLab |
| CVE-2026-3553 | 3.1 LOW | Incorrect Authorization in GitLab |
| CVE-2026-9694 | 2.6 LOW | Improper Neutralization of Substitution Characters in GitLab |
IV. Related Vulnerabilities
Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-863
- CVE-2026-19550
Freeipa: ipa: freeipa: trust-fetch-domains uses trust-read a - CVE-2026-63177
Malcolm Vulnerable to Authorization Bypass via URI Normaliza - CVE-2026-18712
Improper Authorization in MongoDB Queryable Encryption Maint - CVE-2026-18698
Improper Authorization in MongoDB Server Allows Unauthorized - CVE-2026-18690
Improper Authorization in MongoDB Server Allows Unauthorized
V. Comments for CVE-2026-6277
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