Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-4879— Missing 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 16.0至19.0.6之前版本、19.1至19.1.4之前版本和19.2至19.2.2之前版本存在授权问题漏洞，该漏洞源于合并请求API端点缺少授权，可能导致具有开发者权限的认证用户查看仅限高权限角色的外部状态检查配置。

CVSS 4.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 16.0< 19.0.6 affected
19.1< 19.1.4 affected
19.2< 19.2.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-4879

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Missing Authorization in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 16.0 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 permissions to view external status check configuration restricted to higher-privileged roles due to missing authorization on a merge request API endpoint.
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
授权机制缺失
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 16.0至19.0.6之前版本、19.1至19.1.4之前版本和19.2至19.2.2之前版本存在授权问题漏洞，该漏洞源于合并请求API端点缺少授权，可能导致具有开发者权限的认证用户查看仅限高权限角色的外部状态检查配置。
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 16.0 ~ 19.0.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4879

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-4879

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-4879 (1)

Vendor Advisories for CVE-2026-4879 (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-2026-8667 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-18433 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2026-6821 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-862

V. Comments for CVE-2026-4879

No comments yet

Leave a comment