CVE-2026-13151

Received Received - Intake

Improper Authorization in GitLab EE Leading to Privilege Escalation

Publication date: 2026-07-08

Last updated on: 2026-07-08

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to modify group-level settings beyond their intended permissions due to improper authorization controls.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-08

Last Modified

2026-07-08

Generated

2026-07-09

AI Q&A

2026-07-09

EPSS Evaluated

N/A

NVD

CVE-2026-13151

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab_ee	From 16.10 (inc) to 18.11.7 (exc)
gitlab	gitlab_ee	From 19.0 (inc) to 19.0.4 (exc)
gitlab	gitlab_ee	From 19.1 (inc) to 19.1.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Impact Analysis

The vulnerability could allow an authenticated user to change group-level settings that they should not have permission to modify. This could lead to unauthorized changes in group configurations, potentially affecting the security or management of projects within GitLab.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab EE to a fixed version. Specifically, update to version 18.11.7 or later if you are on the 16.10 to 18.11.7 range, version 19.0.4 or later if you are on 19.0, or version 19.1.2 or later if you are on 19.1.

These updates address the improper authorization controls that could allow an authenticated user to modify group-level settings beyond their intended permissions.

Executive Summary

This vulnerability in GitLab EE affects versions from 16.10 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2. Under certain conditions, it could allow an authenticated user to modify group-level settings beyond their intended permissions due to improper authorization controls.

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