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CVE-2026-8667— 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公司开源的一款源代码管理平台。 GitLab 17.6版本至19.0.6之前版本、19.1版本至19.1.4之前版本和19.2版本至19.2.2之前版本存在授权问题漏洞，该漏洞源于授权检查不当，可能允许具有开发者角色的已认证用户修改某些包注册表元数据，而无需维护者级别权限。

CVSS 4.3 · Medium EPSS 0.39% · P31

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 17.6< 19.0.6 affected
19.1< 19.1.4 affected
19.2< 19.2.2 affected
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I. Basic Information for CVE-2026-8667

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 17.6 before 19.0.6, 19.1 before 19.1.4, and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user with developer role to modify certain package registry metadata without the required maintainer-level permissions due to improper authorization checks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司开源的一款源代码管理平台。 GitLab 17.6版本至19.0.6之前版本、19.1版本至19.1.4之前版本和19.2版本至19.2.2之前版本存在授权问题漏洞，该漏洞源于授权检查不当，可能允许具有开发者角色的已认证用户修改某些包注册表元数据，而无需维护者级别权限。
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 17.6 ~ 19.0.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-8667

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III. Intelligence Information for CVE-2026-8667

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Patches & Fixes for CVE-2026-8667 (1)

Other References for CVE-2026-8667 (1)

Same Patch Batch · GitLab · 2026-08-12 · 13 CVEs total

CVE-2026-15216 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-15217 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-15423 8.5 HIGH Incorrect Authorization in GitLab
CVE-2026-19228 8.5 HIGH Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-16627 7.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-16494 7.1 HIGH Missing Authorization in GitLab
CVE-2026-7427 5.3 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-18244 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-18433 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-6821 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-4879 4.3 MEDIUM Missing Authorization in GitLab
CVE-2025-9486 3.3 LOW Incorrect Privilege Assignment in GitLab

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-8667

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