CVE-2026-3176
Received Received - Intake
GitLab EE Insufficient Authorization Leading to Project Data Exposure

Publication date: 2026-06-25

Last updated on: 2026-06-25

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
Probability:
Percentile:
Meta Information
Published
2026-06-25
Last Modified
2026-06-25
Generated
2026-06-25
AI Q&A
2026-06-25
EPSS Evaluated
N/A
NVD
CVE-2026-3176
EUVD
EUVD-2026-39176
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
gitlab gitlab_ee From 18.6 (inc) to 18.11.6 (exc)
gitlab gitlab_ee From 19.0 (inc) to 19.0.3 (exc)
gitlab gitlab_ee From 19.1 (inc) to 19.1.1 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
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
AI Quick Actions
Instant insights powered by AI
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.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-3176. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart