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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-3160— Unintended Proxy or Intermediary ('Confused Deputy') 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 13.7至18.9.7之前版本、18.10至18.10.6之前版本和18.11至18.11.3之前版本存在安全漏洞，该漏洞源于集成过滤器仅作为显示控制而非强制执行访问边界，可能导致认证用户查看指定项目范围之外的Jira问题。

CVSS 5.8 · Medium EPSS 0.38% · P30

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab 13.7< 18.9.7 affected
18.10< 18.10.6 affected
18.11< 18.11.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-3160

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Unintended Proxy or Intermediary ('Confused Deputy') in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to view Jira issues outside the configured project scope due to an integration filter functioning only as a display control rather than enforcing access boundaries as specified.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
未有动机的代理或中间人(混淆代理)
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 13.7至18.9.7之前版本、18.10至18.10.6之前版本和18.11至18.11.3之前版本存在安全漏洞，该漏洞源于集成过滤器仅作为显示控制而非强制执行访问边界，可能导致认证用户查看指定项目范围之外的Jira问题。
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 13.7 ~ 18.9.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-3160

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-3160

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-3160 (1)

Other References for CVE-2026-3160 (1)

Same Patch Batch · GitLab · 2026-05-14 · 24 CVEs total

CVE-2026-7481 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-7377 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-6073 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-14869 7.5 HIGH Improper Validation of Specified Quantity in Input in GitLab
CVE-2025-14870 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1659 7.5 HIGH Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1322 6.8 MEDIUM Business Logic Errors in GitLab
CVE-2026-8280 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2026-1184 6.5 MEDIUM Deserialization of Untrusted Data in GitLab
CVE-2026-4527 6.5 MEDIUM Cross-Site Request Forgery (CSRF) in GitLab
CVE-2026-4524 6.5 MEDIUM Authentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2025-12669 5.4 MEDIUM Improper Control of Generation of Code ('Code Injection') in GitLab
CVE-2026-6335 5.4 MEDIUM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-3074 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-3073 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-3607 4.3 MEDIUM Access Control Check Implemented After Asset is Accessed in GitLab
CVE-2026-1338 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-6063 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2025-13874 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in GitLab
CVE-2026-8144 4.3 MEDIUM Missing Authorization in GitLab

Showing top 20 of 24 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-441

V. Comments for CVE-2026-3160

No comments yet

Leave a comment