CVE-2026-16275
Received Received - Intake

Information Disclosure in GitLab CE/EE

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.4 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an unauthenticated user to read confidential notes on public projects due to incorrect authorization checks.

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Meta Information

Published
2026-10-13
Last Modified
2026-10-13
Generated
2026-10-13
AI Q&A
2026-10-13
EPSS Evaluated
N/A
NVD
CVE-2026-16275
EUVD
EUVD-2026-98223

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
GitLab GitLab 17.4
GitLab GitLab 19.3
GitLab GitLab 19.4

Helpful Resources

Exploitability

CWE
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KEV
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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.

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Executive Summary

This vulnerability in GitLab CE/EE versions before 19.2.8, 19.3.5, and 19.4.2 allows an unauthenticated user to read confidential notes on public projects due to incorrect authorization checks.

Detection Guidance

This vulnerability involves incorrect authorization checks allowing unauthenticated users to read confidential notes on public projects. To detect it, check GitLab versions for affected releases (17.4 before 19.2.8, 19.3 before 19.3.5, or 19.4 before 19.4.2). Verify if public projects contain confidential notes accessible without authentication.

Impact Analysis

An attacker could access sensitive information stored in confidential notes on public projects, potentially exposing private data without proper authentication.

Compliance Impact

This vulnerability could lead to unauthorized access to confidential data, potentially violating GDPR (data protection) and HIPAA (health information privacy) by exposing sensitive information.

Mitigation Strategies

Upgrade GitLab to a patched version: 19.2.8, 19.3.5, or 19.4.2 or later to address the authorization issue in public projects.

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