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CVE-2025-0549— Authentication Bypass Using an Alternate Path or Channel 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 Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Enterprise Edition和GitLab Community Edition 17.11.2之前版本存在安全漏洞，该漏洞源于Device OAuth流程保护绕过，可能导致未授权访问。

CVSS 6.8 · Medium EPSS 0.46% · P38
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I. Basic Information for CVE-2025-0549

Vulnerability Information
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Vulnerability Title
Authentication Bypass Using an Alternate Path or Channel in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 17.3 prior to 17.9.8, from 17.10 prior to 17.10.6, and from 17.11 prior to 17.11.2. A security vulnerability allows attackers to bypass Device OAuth flow protections, enabling authorization form submission through minimal user interaction.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab Enterprise Edition和GitLab Community Edition 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab Enterprise Edition和GitLab Community Edition 17.11.2之前版本存在安全漏洞，该漏洞源于Device OAuth流程保护绕过，可能导致未授权访问。
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 17.3 ~ 17.9.8 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-0549

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III. Intelligence Information for CVE-2025-0549

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Same Patch Batch · GitLab · 2025-05-09 · 3 CVEs total

CVE-2024-8973 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-1278 5.3 MEDIUM Insufficient Granularity of Access Control in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-288

V. Comments for CVE-2025-0549

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