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.
References
| Link | Resource |
|---|---|
| https://github.com/backstage/backstage/commit/bf6bbf7326ada7d96d7b2c4ebc4a71546106f311 | Patch |
| https://github.com/backstage/backstage/releases/tag/v1.54.6 | Patch Release Notes |
| https://github.com/backstage/backstage/security/advisories/GHSA-rg9r-hr7g-5gc2 | Vendor Advisory |
Configurations
History
22 Oct 2026, 14:42
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://github.com/backstage/backstage/commit/bf6bbf7326ada7d96d7b2c4ebc4a71546106f311 - Patch | |
| References | () https://github.com/backstage/backstage/releases/tag/v1.54.6 - Patch, Release Notes | |
| References | () https://github.com/backstage/backstage/security/advisories/GHSA-rg9r-hr7g-5gc2 - Vendor Advisory | |
| CPE | cpe:2.3:a:linuxfoundation:backstage\/plugin-techdocs-backend:*:*:*:*:*:node.js:*:* cpe:2.3:a:linuxfoundation:backstage:*:*:*:*:*:*:*:* |
|
| First Time |
Linuxfoundation
Linuxfoundation backstage Linuxfoundation backstage\/plugin-techdocs-backend |
06 Oct 2026, 21:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-06 21:17
Updated : 2026-10-22 14:42
NVD link : CVE-2026-106489
Mitre link : CVE-2026-106489
CVE.ORG link : CVE-2026-106489
JSON object : View
Products Affected
linuxfoundation
- backstage
- backstage\/plugin-techdocs-backend
