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Vulnerability Details :

CVE-2026-2900

Summary
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At-14 May, 2026 | 05:36
Updated At-14 May, 2026 | 13:07
Rejected At-
Credits

Missing Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing authorization checks.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitLab
Assigner Org ID:ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At:14 May, 2026 | 05:36
Updated At:14 May, 2026 | 13:07
Rejected At:
â–¼CVE Numbering Authority (CNA)
Missing Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing 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 16.10 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-862CWE-862: Missing Authorization
Type: CWE
CWE ID: CWE-862
Description: CWE-862: Missing Authorization
Metrics
VersionBase scoreBase severityVector
3.12.7LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Version: 3.1
Base score: 2.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/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 [modhanami](https://hackerone.com/modhanami) for reporting this vulnerability through our HackerOne bug bounty program
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://hackerone.com/reports/3561092
technical-description
exploit
permissions-required
https://gitlab.com/gitlab-org/gitlab/-/work_items/590983
N/A
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
N/A
Hyperlink: https://hackerone.com/reports/3561092
Resource:
technical-description
exploit
permissions-required
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/work_items/590983
Resource: N/A
Hyperlink: https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
Resource: N/A
â–¼Authorized 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
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@gitlab.com
Published At:14 May, 2026 | 06:16
Updated At:16 May, 2026 | 03:36

GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing authorization checks.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.12.7LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 2.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CPE Matches
GitLab Inc.
gitlab
>>gitlab>>Versions from 16.10.0(inclusive) to 18.9.7(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 18.10.0(inclusive) to 18.10.6(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
GitLab Inc.
gitlab
>>gitlab>>Versions from 18.11.0(inclusive) to 18.11.3(exclusive)
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Weaknesses
CWE IDTypeSource
CWE-862Primarycve@gitlab.com
CWE ID: CWE-862
Type: Primary
Source: cve@gitlab.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/cve@gitlab.com
Release Notes
https://gitlab.com/gitlab-org/gitlab/-/work_items/590983cve@gitlab.com
Not Applicable
https://hackerone.com/reports/3561092cve@gitlab.com
Permissions Required
Hyperlink: https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
Source: cve@gitlab.com
Resource:
Release Notes
Hyperlink: https://gitlab.com/gitlab-org/gitlab/-/work_items/590983
Source: cve@gitlab.com
Resource:
Not Applicable
Hyperlink: https://hackerone.com/reports/3561092
Source: cve@gitlab.com
Resource:
Permissions Required

Change History

0
Information is not available yet

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