CVE-2026-6336

Analyzed Analyzed - Analysis Complete

GitLab CE/EE Missing Authorization in Project Import Source Information

Publication date: 2026-07-29

Last updated on: 2026-08-03

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.6 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an unauthorized user to view project import source information due to a missing authorization check.

CVSS Scores

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Meta Information

Published

2026-07-29

Last Modified

2026-08-03

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-6336

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 16.6.0 (inc) to 19.0.5 (exc)
gitlab	gitlab	From 19.1.0 (inc) to 19.1.3 (exc)
gitlab	gitlab	From 16.6.0 (inc) to 19.0.5 (exc)
gitlab	gitlab	From 19.1.0 (inc) to 19.1.3 (exc)
gitlab	gitlab	19.2.0
gitlab	gitlab	19.2.0

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

Executive Summary

This vulnerability in GitLab CE/EE allowed unauthorized users to view project import source information due to a missing authorization check. It affects versions from 16.6 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1.

Detection Guidance

This vulnerability involves unauthorized access to project import source information in GitLab. To detect it, check GitLab logs for unusual import-related activities or unauthorized access attempts. Look for logs in /var/log/gitlab/ or the GitLab admin panel under 'Admin Area > Monitoring > Logs'.

Impact Analysis

An unauthorized user could access sensitive project import details, potentially exposing confidential or proprietary information about imported projects or data sources.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, potentially violating GDPR (data protection) or HIPAA (health information privacy) by allowing access to sensitive project data without proper authorization.

Mitigation Strategies

Upgrade GitLab to a patched version: 19.0.5, 19.1.3, or 19.2.1 or later. Verify the upgrade was successful by checking the GitLab version in the admin panel. If immediate upgrade isn't possible, restrict network access to GitLab instances as a temporary measure.

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