Incorrect Authorization Affecting @backstage/plugin-catalog-backend-module-gitlab package, versions <0.8.7


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (6th percentile)

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  • Snyk IDSNYK-JS-BACKSTAGEPLUGINCATALOGBACKENDMODULEGITLAB-20826430
  • published11 Oct 2026
  • disclosed7 Oct 2026
  • creditUnknown

Introduced: 7 Oct 2026

NewCVE-2026-106463  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade @backstage/plugin-catalog-backend-module-gitlab to version 0.8.7 or higher.

Overview

@backstage/plugin-catalog-backend-module-gitlab is an A Backstage catalog backend module that helps integrate towards GitLab

Affected versions of this package are vulnerable to Incorrect Authorization via the GitlabOrgDiscoveryEntityProvider when handling user_create webhook events, where the restrictUsersToGroup configuration option is not respected. An authenticated attacker who creates a GitLab account can be ingested into the Backstage catalog as a valid user entity even when they are not a member of the configured restricted group, bypassing the intended membership scope enforcement.

CVSS Base Scores

version 4.0
version 3.1