medium4.3
CVE-2026-106461
Backstage is an open framework for building developer portals.
Impact
Backstage is an open framework for building developer portals. Prior to 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by incorrect authorization in scaffolder task listing. An authenticated internal user may be able to view metadata for scaffolder tasks outside the visibility intended by a deployment's permission policy. Stored task secrets are not included in the affected response, and no integrity or availability impact was identified. This issue is fixed in version 4.1.0.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @backstage/plugin-scaffolder-backend | < 4.1.0 | 4.1.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linuxfoundation | Backstage\/Plugin-Scaffolder-Backend | before 4.1.0 |
| Linuxfoundation | Backstage | before 1.54.6 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-7hfw-grcm-cqm6
- https://github.com/backstage/backstage/security/advisories/GHSA-7hfw-grcm-cqm6
- https://nvd.nist.gov/vuln/detail/CVE-2026-106461
- https://github.com/backstage/backstage/commit/0253c50673f2832b0b1e9f73348186434e7bd09e
- https://github.com/backstage/backstage/releases/tag/v1.54.6