CVE-2026-5309
Received Received - Intake
Unauthorized Access to Virtual Registry Cleanup Policies in GitLab EE

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 to read or modify another group's virtual registry cleanup policy settings without authorization.
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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-2026-5309
EUVD
EUVD-2026-39175
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
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
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Executive Summary

This vulnerability in GitLab EE affects certain versions before specific patches were released. Under certain conditions, it could allow an authenticated user to read or modify the virtual registry cleanup policy settings of another group without proper authorization.

Impact Analysis

The vulnerability could lead to unauthorized access and modification of virtual registry cleanup policies belonging to other groups. This could result in unintended changes to cleanup policies, potentially affecting data management and security within the affected GitLab instance.

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.

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