CVE-2026-3176

Analyzed Analyzed - Analysis Complete

GitLab EE Insufficient Authorization Leading to Project Data Exposure

Publication date: 2026-06-25

Last updated on: 2026-06-26

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with limited permissions to access project information due to insufficient authorization checks.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-25

Last Modified

2026-06-26

Generated

2026-07-15

AI Q&A

2026-06-25

EPSS Evaluated

2026-07-14

NVD

CVE-2026-3176

EUVD

EUVD-2026-39176

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 18.6.0 (inc) to 18.11.6 (exc)
gitlab	gitlab	From 19.0.0 (inc) to 19.0.3 (exc)
gitlab	gitlab	19.1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability in GitLab Enterprise Edition affects versions from 18.6 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1. Under certain conditions, it could allow an authenticated user with limited permissions to access project information that they should not be authorized to see. The issue arises due to insufficient authorization checks within the application.

Impact Analysis

The impact of this vulnerability is that users with limited permissions might gain unauthorized access to project information. This could lead to unintended disclosure of sensitive or confidential data within projects, potentially compromising privacy or business confidentiality.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab EE to a fixed version. Specifically, update to version 18.11.6 or later if you are running any version from 18.6 before 18.11.6, to 19.0.3 or later if running 19.0 before 19.0.3, or to 19.1.1 or later if running 19.1 before 19.1.1.

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