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CVE-2026-1724— Missing Authentication for Critical Function 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 18.8.7之前版本、18.9.3之前版本和18.10.1之前版本存在访问控制错误漏洞，该漏洞源于访问控制不当，可能导致未经验证的用户访问自托管AI模型的API令牌。

CVSS 6.8 · Medium EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1078.001 · Default Accounts
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I. Basic Information for CVE-2026-1724

Vulnerability Information
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Vulnerability Title
Missing Authentication for Critical Function in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 18.5 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to access API tokens of self-hosted AI models due to improper access control.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 访问控制错误漏洞
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 18.8.7之前版本、18.9.3之前版本和18.10.1之前版本存在访问控制错误漏洞，该漏洞源于访问控制不当，可能导致未经验证的用户访问自托管AI模型的API令牌。
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 18.5 ~ 18.8.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1724

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III. Intelligence Information for CVE-2026-1724

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Patches & Fixes for CVE-2026-1724 (1)

Same Patch Batch · GitLab · 2026-03-25 · 11 CVEs total

CVE-2026-3857 8.1 HIGH Cross-Site Request Forgery (CSRF) in GitLab
CVE-2026-2995 7.7 HIGH Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
CVE-2026-3988 7.5 HIGH Inefficient Algorithmic Complexity in GitLab
CVE-2026-2745 6.8 MEDIUM Authentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2025-13436 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-13078 6.5 MEDIUM Improper Validation of Specified Quantity in Input in GitLab
CVE-2026-2973 5.4 MEDIUM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-2726 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2025-14595 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-4363 3.7 LOW Incorrect Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-306

V. Comments for CVE-2026-1724

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