CVEvulnerability

CVE-2026-106489

6.5 MEDIUM Published 2026-10-06 Modified 2026-10-22 Official page ↗
Status
Analyzed
Published
2026-10-06
Last modified
2026-10-22
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-22, CWE-862

Description

Backstage is an open framework for building developer portals. Prior to 2.2.4, the @backstage/plugin-techdocs-backend package is affected by improper authorization enforcement for techdocs static content. An authenticated user with access to one TechDocs documentation site could craft a URL able to read documentation belonging to a different entity. This only affects deployments using the external TechDocs builder with an external storage provider (S3, GCS, etc.) and the permission framework enabled. Instances that do not use the permission framework are unaffected, since TechDocs content is visible to all authenticated users by design. This issue is fixed in version 2.2.4.

Affected configurations

• linuxfoundation backstage\/plugin-techdocs-backend (< 2.2.4) • linuxfoundation backstage (< 1.54.6)

Related

Weakness · CWE (2)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
  • CWE-862 Missing Authorization weakness

References