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CVE-2023-5600— Missing 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公司的一个开源的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 存在安全漏洞，该漏洞源于可能会通过服务台自定义电子邮件模板泄露特定的参考文献标题。

CVSS 3.1 · Low EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2023-5600

Vulnerability Information
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Vulnerability Title
Missing Authorization in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. Arbitrary access to the titles of an private specific references could be leaked through the service-desk custom email template.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
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公司的一个开源的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 存在安全漏洞，该漏洞源于可能会通过服务台自定义电子邮件模板泄露特定的参考文献标题。
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 16.0 ~ 16.3.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2023-5600

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III. Intelligence Information for CVE-2023-5600

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Same Patch Batch · GitLab · 2025-06-20 · 6 CVEs total

CVE-2025-2443 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-5121 8.5 HIGH Missing Authorization in GitLab
CVE-2024-4994 8.1 HIGH Cross-Site Request Forgery (CSRF) in GitLab
CVE-2024-4025 6.5 MEDIUM Inefficient Regular Expression Complexity in GitLab
CVE-2024-7586 4.1 MEDIUM Insertion of Sensitive Information into Log File in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-862

V. Comments for CVE-2023-5600

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