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CVE-2026-9807— Incorrect 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 CE/EE 18.10.7之前版本、18.11.4之前版本和19.0.1之前版本存在安全漏洞，该漏洞源于授权执行不正确，可能导致在某些条件下被阻止的项目访问令牌继续访问私有资源。

CVSS 4.3 · Medium EPSS 0.19% · P9

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 18.9< 18.10.7 affected
18.11< 18.11.4 affected
19.0< 19.0.1 affected
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I. Basic Information for CVE-2026-9807

Vulnerability Information
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Vulnerability Title
Incorrect Authorization in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that under certain conditions could have allowed a blocked Project Access Token to continue accessing private resources due to incorrect authorization enforcement.
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
授权机制不正确
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 CE/EE 18.10.7之前版本、18.11.4之前版本和19.0.1之前版本存在安全漏洞，该漏洞源于授权执行不正确，可能导致在某些条件下被阻止的项目访问令牌继续访问私有资源。
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 18.9 ~ 18.10.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-9807

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III. Intelligence Information for CVE-2026-9807

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Patches & Fixes for CVE-2026-9807 (1)

Other References for CVE-2026-9807 (1)

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-863

V. Comments for CVE-2026-9807

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