CVE-2026-14351

Analyzed Analyzed - Analysis Complete

Unauthenticated Information Disclosure in GitLab CE/EE

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 8.8 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 unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks.

CVSS Scores

EPSS 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-2026-14351

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 19.1.0 (inc) to 19.1.3 (exc)
gitlab	gitlab	From 19.1.0 (inc) to 19.1.3 (exc)
gitlab	gitlab	19.2.0
gitlab	gitlab	19.2.0
gitlab	gitlab	From 8.8.0 (inc) to 19.0.5 (exc)
gitlab	gitlab	From 8.8.0 (inc) to 19.0.5 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1230	The product prevents direct access to a resource containing sensitive information, but it does not sufficiently limit access to metadata that is derived from the original, sensitive information.

Attack-Flow Graph

Executive Summary

This vulnerability in GitLab CE/EE allows an unauthenticated user to view the title of a confidential issue through a publicly accessible merge request due to improper authorization checks. It affects versions from 8.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1.

Detection Guidance

Check GitLab versions for affected releases (8.8 to 19.0.4, 19.1.0 to 19.1.2, 19.2.0). Use commands like 'gitlab-rake gitlab:version' or check the admin panel for version details.

Impact Analysis

An attacker could exploit this to leak sensitive information about confidential issues without authentication, potentially exposing private project details or internal discussions.

Compliance Impact

This vulnerability could lead to unauthorized disclosure of confidential issue titles through public merge requests, potentially violating data protection requirements under GDPR and HIPAA that mandate confidentiality for personal or health-related data.

Mitigation Strategies

Upgrade GitLab to patched versions: 19.0.5, 19.1.3, or 19.2.1 or later. Verify the upgrade was successful and monitor for unauthorized access attempts.

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