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CVE-2026-1752— Incorrect Authorization in GitLab

Quick assessment

Affected
GitLab GitLab
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 EE 18.8.9之前版本、18.9.5之前版本和18.10.3之前版本存在安全漏洞，该漏洞源于API中授权检查不当，可能导致修改受保护的环境设置。

CVSS 4.3 · Medium EPSS 0.31% · P21
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I. Basic Information for CVE-2026-1752

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 11.3 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 developer-role permissions to modify protected environment settings due to improper authorization checks in the API.
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 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 EE 18.8.9之前版本、18.9.5之前版本和18.10.3之前版本存在安全漏洞，该漏洞源于API中授权检查不当，可能导致修改受保护的环境设置。
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

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 11.3 ~ 18.8.9 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1752

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III. Intelligence Information for CVE-2026-1752

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Patches & Fixes for CVE-2026-1752 (1)

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-2025-9484 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-4916 2.7 LOW Missing Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-863

V. Comments for CVE-2026-1752

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