CVE-2026-1663

Received Received - Intake

Improper Authorization in GitLab Group Import Enables Label Creation

Publication date: 2026-03-11

Last updated on: 2026-03-13

Assigner: GitLab Inc.

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.4 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user with group import permissions to create labels in private projects due to improper authorization validation in the group import process under certain circumstances.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-03-11

Last Modified

2026-03-13

Generated

2026-07-06

AI Q&A

2026-03-11

EPSS Evaluated

2026-07-04

NVD

CVE-2026-1663

EUVD

EUVD-2026-11186

Affected Vendors & Products

Vendor	Product	Version / Range
gitlab	gitlab	From 18.8.0 (inc) to 18.8.6 (exc)
gitlab	gitlab	From 18.9.0 (inc) to 18.9.2 (exc)
gitlab	gitlab	From 18.8.0 (inc) to 18.8.6 (exc)
gitlab	gitlab	From 18.9.0 (inc) to 18.9.2 (exc)
gitlab	gitlab	From 14.4.0 (inc) to 18.7.6 (exc)
gitlab	gitlab	From 14.4.0 (inc) to 18.7.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

Executive Summary

This vulnerability in GitLab CE/EE affects versions from 14.4 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2. It allows an authenticated user who has group import permissions to create labels in private projects. This happens because of improper authorization validation during the group import process under certain circumstances.

Impact Analysis

The vulnerability could allow an authenticated user with group import permissions to create labels in private projects where they might not otherwise have such permissions. This could lead to unauthorized modifications within private projects, potentially affecting project organization or workflow.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, you should upgrade GitLab CE/EE to a fixed version. Specifically, update to version 18.7.6 or later if you are using the 18.7 series, 18.8.6 or later if using the 18.8 series, or 18.9.2 or later if using the 18.9 series.

This vulnerability affects all versions from 14.4 before these fixed versions and could allow an authenticated user with group import permissions to create labels in private projects due to improper authorization validation.

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