CVE-2026-14288
Received Received - Intake

Authentication Bypass in GitLab EE via Merge Request Policy

Publication date: 2026-10-22

Last updated on: 2026-10-22

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab EE affecting all versions from 17.4 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated to bypass a required merge request approval policy on a protected branch due to improper access control during approval rule synchronization.

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Meta Information

Published
2026-10-22
Last Modified
2026-10-22
Generated
2026-10-22
AI Q&A
2026-10-22
EPSS Evaluated
N/A
NVD
CVE-2026-14288

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
GitLab GitLab 17.4
GitLab GitLab 19.4
GitLab GitLab 19.5

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-706 The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.

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Executive Summary

This vulnerability in GitLab EE allows an authenticated user to bypass a required merge request approval policy on a protected branch. It occurs due to improper access control during approval rule synchronization in versions before 19.3.6, 19.4.3, and 19.5.1.

Impact Analysis

An attacker with access could merge code without required approvals, potentially introducing unauthorized changes. This undermines code review processes and may lead to security or operational risks in projects using protected branches.

Mitigation Strategies

Upgrade GitLab EE to a patched version (19.3.6, 19.4.3, or 19.5.1 or later) to address the improper access control issue in merge request approval policies.

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