6.5
Medium
CVE-2026-106490 Backstage is an open framework for building developer portals
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 input validation in techdocs static content requests. When using the Azure Blob Storage provider, an authenticated Backstage user may be able to read restricted TechDocs content when entity-level permissions are enabled. Deployments that intentionally disable the default backend authentication policy may have broader exposure. This issue is fixed in version 2.2.4.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| backstage 1.54 | earliest → < 1.54.6 | 1.54.6 |
| plugin-techdocs-backend 2.2 | earliest → < 2.2.4 | 2.2.4 |
Other CVEs of backstage
The 69 CVEs of backstage →
CVE-2026-115923
Backstage is an open framework for building developer portals
6.5
Medium
CVE-2026-106495
Backstage is an open framework for building developer portals
4.3
Medium
CVE-2026-106557
Backstage is an open framework for building developer portals
7.7
High
CVE-2026-106563
Backstage is an open framework for building developer portals
5.3
Medium