CVE-2026-3553
Received Received - Intake
Authenticated Information Exposure in GitLab CE/EE

Publication date: 2026-06-11

Last updated on: 2026-06-11

Assigner: GitLab Inc.

Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to access confidential issue details due to incorrect authorization checks.
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Meta Information
Published
2026-06-11
Last Modified
2026-06-11
Generated
2026-06-11
AI Q&A
2026-06-11
EPSS Evaluated
N/A
NVD
CVE-2026-3553
EUVD
EUVD-2026-36232
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
gitlab gitlab_ce From 12.0 (inc) to 18.10.8 (exc)
gitlab gitlab_ee From 12.0 (inc) to 18.10.8 (exc)
gitlab gitlab_ce From 18.11.0 (inc) to 18.11.5 (exc)
gitlab gitlab_ee From 18.11.0 (inc) to 18.11.5 (exc)
gitlab gitlab_ce From 19.0 (inc) to 19.0.2 (exc)
gitlab gitlab_ee From 19.0 (inc) to 19.0.2 (exc)
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 from 12.0 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 could allow an authenticated user to access confidential issue details due to incorrect authorization checks under certain conditions.

Impact Analysis

The impact of this vulnerability is that an authenticated user might gain unauthorized access to confidential issue details, potentially exposing sensitive information that should be restricted.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.10.8 or later if you are using the 18.10 series, 18.11.5 or later for the 18.11 series, or 19.0.2 or later for the 19.0 series.

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