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CVE-2026-4527— Cross-Site Request Forgery (CSRF) in GitLab

CVSS 6.5 · Medium EPSS 0.01% · P1

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProductVersion RangeStatus
GitLabGitLab11.10< 18.9.7affected
18.10< 18.10.6affected
18.11< 18.11.3affected
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I. Basic Information for CVE-2026-4527

Vulnerability Information
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Vulnerability Title
Cross-Site Request Forgery (CSRF) in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due to missing CSRF protection.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
GitLabGitLab 11.10 ~ 18.9.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4527

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III. Intelligence Information for CVE-2026-4527

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

CVE-2026-74818.7 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-73778.7 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-60738.7 HIGHImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-148697.5 HIGHImproper Validation of Specified Quantity in Input in GitLab
CVE-2025-148707.5 HIGHAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-16597.5 HIGHAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-13226.8 MEDIUMBusiness Logic Errors in GitLab
CVE-2026-11846.5 MEDIUMDeserialization of Untrusted Data in GitLab
CVE-2026-82806.5 MEDIUMAllocation of Resources Without Limits or Throttling in GitLab
CVE-2026-45246.5 MEDIUMAuthentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2026-31605.8 MEDIUMUnintended Proxy or Intermediary ('Confused Deputy') in GitLab
CVE-2025-126695.4 MEDIUMImproper Control of Generation of Code ('Code Injection') in GitLab
CVE-2026-63355.4 MEDIUMImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-81444.3 MEDIUMMissing Authorization in GitLab
CVE-2026-60634.3 MEDIUMAuthorization Bypass Through User-Controlled Key in GitLab
CVE-2026-36074.3 MEDIUMAccess Control Check Implemented After Asset is Accessed in GitLab
CVE-2026-30744.3 MEDIUMAuthorization Bypass Through User-Controlled Key in GitLab
CVE-2026-30734.3 MEDIUMAuthorization Bypass Through User-Controlled Key in GitLab
CVE-2026-13384.3 MEDIUMAuthorization Bypass Through User-Controlled Key in GitLab
CVE-2025-138744.3 MEDIUMAuthorization Bypass Through User-Controlled Key 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-352

V. Comments for CVE-2026-4527

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