CVE-2026-5952

Analyzed Analyzed - Analysis Complete

Authenticated Maven Package Metadata Overwrite in GitLab CE/EE

Publication date: 2026-06-25

Last updated on: 2026-06-26

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 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 with developer-role permissions to bypass package protection rules and overwrite protected Maven package metadata due to incorrect authorization checks.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-25

Last Modified

2026-06-26

Generated

2026-07-15

AI Q&A

2026-06-25

EPSS Evaluated

2026-07-14

NVD

CVE-2026-5952

EUVD

EUVD-2026-39173

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 19.0.0 (inc) to 19.0.3 (exc)
gitlab	gitlab	From 17.11.0 (inc) to 18.11.6 (exc)
gitlab	gitlab	19.1.0

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

Impact Analysis

The vulnerability could allow a developer-role user to overwrite protected Maven package metadata, potentially leading to unauthorized changes in package data. This could affect the integrity of software packages and may introduce risks related to software supply chain security.

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to GitLab CE/EE version 18.11.6 or later, 19.0.3 or later, or 19.1.1 or later, depending on your current version.

This will ensure that the incorrect authorization checks allowing developer-role users to bypass package protection rules and overwrite protected Maven package metadata are resolved.

Executive Summary

This vulnerability in GitLab CE/EE affects versions from 17.11 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1. It allows an authenticated user with developer-role permissions to bypass package protection rules and overwrite protected Maven package metadata due to incorrect authorization checks.

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