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I. Basic Information for CVE-2025-12653
Vulnerability Information

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Vulnerability Title
Authentication Bypass by Spoofing in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.3 before 18.4.5, 18.5 before 18.5.3, and 18.6 before 18.6.1 that under specific conditions could have allowed an unauthenticated user to join arbitrary organizations by changing headers on some requests.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用欺骗进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab CE/EE 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 CE/EE 18.3版本至18.4.5之前版本、18.5版本至18.5.3之前版本和18.6版本至18.6.1之前版本存在安全漏洞,该漏洞源于特定条件下未经验证用户可通过更改请求标头加入任意组织。
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
VendorProductAffected VersionsCPESubscribe
GitLabGitLab 18.3 ~ 18.4.5 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2025-12653
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III. Intelligence Information for CVE-2025-12653
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IV. Related Vulnerabilities
V. Comments for CVE-2025-12653

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