CVE-2026-2238
Received Received - Intake
Improper Authorization Leading to Confidential Issue Exposure in GitLab

Publication date: 2026-06-25

Last updated on: 2026-06-25

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 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 unauthenticated user to view confidential issue references on public projects due to improper authorization checks.
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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-2026-2238
EUVD
EUVD-2026-39177
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab_ce From 17.5 (inc) to 18.11.6 (exc)
gitlab gitlab_ee From 17.5 (inc) to 18.11.6 (exc)
gitlab gitlab_ce From 19.0 (inc) to 19.0.3 (exc)
gitlab gitlab_ee From 19.0 (inc) to 19.0.3 (exc)
gitlab gitlab_ce From 19.1 (inc) to 19.1.1 (exc)
gitlab gitlab_ee From 19.1 (inc) to 19.1.1 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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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.
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Impact Analysis

The impact of this vulnerability is that unauthorized users could gain access to confidential information related to issues in public projects. This exposure could lead to information leakage, potentially compromising sensitive project details.

Executive Summary

This vulnerability in GitLab CE/EE affects versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1. Under certain conditions, it could allow an unauthenticated user to view confidential issue references on public projects due to improper authorization checks.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.11.6 or later if you are using the 17.5 to before 18.11.6 range, version 19.0.3 or later if you are using 19.0 to before 19.0.3, or version 19.1.1 or later if you are using 19.1 to before 19.1.1.

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