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CVE Vulnerability Details :
CVE-2026-4524
PUBLISHED
More InfoOfficial Page
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
View Known Exploited Vulnerability (KEV) details
Published At-14 May, 2026 | 05:34
Updated At-14 May, 2026 | 13:23
Rejected At-
▼CVE Numbering Authority (CNA)
Authentication Bypass Using an Alternate Path or Channel in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.9.1 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 access confidential issue content in public projects without proper authorization due to improper authorization checks.

Affected Products
Vendor
GitLab Inc.GitLab
Product
GitLab
Repo
git://git@gitlab.com:gitlab-org/gitlab.git
CPEs
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Default Status
unaffected
Versions
Affected
  • From 18.9.1 before 18.9.7 (semver)
  • From 18.10 before 18.10.6 (semver)
  • From 18.11 before 18.11.3 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-288CWE-288: Authentication Bypass Using an Alternate Path or Channel
Type: CWE
CWE ID: CWE-288
Description: CWE-288: Authentication Bypass Using an Alternate Path or Channel
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above.

Configurations
Workarounds
Exploits
Credits
finder
Thanks [hackaccinocraft](https://hackerone.com/hackaccinocraft) for reporting this vulnerability through our HackerOne bug bounty program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://gitlab.com/gitlab-org/gitlab/-/work_items/594295
N/A
https://hackerone.com/reports/3597717
technical-description
exploit
permissions-required
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
N/A
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/work_items/594295
Resource: N/A
Hyperlink: https://hackerone.com/reports/3597717
Resource:
technical-description
exploit
permissions-required
Hyperlink: https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found