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CVE-2025-4976— Exposure of Sensitive Information Due to Incompatible Policies 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）是美国GitLab公司的一套内容管理系统。 GitLab Enterprise Edition 17.0至18.0.5之前版本、18.1至18.1.3之前版本和18.2至18.2.1之前版本存在安全漏洞，该漏洞源于攻击者可能访问GitLab Duo响应中的内部注释。

CVSS 4.3 · Medium EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-4976

Vulnerability Information
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Vulnerability Title
Exposure of Sensitive Information Due to Incompatible Policies in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab EE affecting all versions from 17.0 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that, under certain circumstances, could have allowed an attacker to access internal notes in GitLab Duo responses.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
故意性的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab Enterprise Edition 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）是美国GitLab公司的一套内容管理系统。 GitLab Enterprise Edition 17.0至18.0.5之前版本、18.1至18.1.3之前版本和18.2至18.2.1之前版本存在安全漏洞，该漏洞源于攻击者可能访问GitLab Duo响应中的内部注释。
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 17.0 ~ 18.0.5 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-4976

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III. Intelligence Information for CVE-2025-4976

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Same Patch Batch · GitLab · 2025-07-24 · 4 CVEs total

CVE-2025-0765 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2025-1299 4.3 MEDIUM Missing Authorization in GitLab
CVE-2025-7001 4.3 MEDIUM Insufficient Granularity of Access Control in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-213

V. Comments for CVE-2025-4976

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