CVE-2026-106503
1 advisory.
npm/@backstage/plugin-scaffolder-backend CVE-2026-106503: high 8.1
Backstage: Scaffolder action input authorization bypass
Action: Upgrade @backstage/plugin-scaffolder-backend to 3.3.1 or later.
npm i @backstage/plugin-scaffolder-backend@3.3.1npm i @backstage/plugin-scaffolder-backend@3.4.1npm i @backstage/plugin-scaffolder-backend@4.0.3npm i @backstage/plugin-scaffolder-backend@4.1.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.3.1 | - |
| 3.4.0 | 3.4.1 | - |
| 4.0.0 | 4.0.3 | - |
| 4.0.4 | 4.1.0 | - |
Fixed versions
| 3.3.1 | 3.4.1 | 4.0.3 | 4.1.0 |
Sources
- osv: GHSA-hmp2-4m7g-22cv
- https://github.com/backstage/backstage/security/advisories/GHSA-hmp2-4m7g-22cv
- https://nvd.nist.gov/vuln/detail/CVE-2026-106503
- https://github.com/backstage/backstage/commit/11c1384c0649b8ab26391c6a4e4f34b80ab0d188
- https://github.com/backstage/backstage/commit/a91ed72d540e80b62a73b39bb1563ff5018d52d1
- https://github.com/backstage/backstage/commit/e307e4f487103d815e484291b3fda778ab9983bf
- https://github.com/backstage/backstage
- https://github.com/backstage/backstage/releases/tag/v1.49.6
- https://github.com/backstage/backstage/releases/tag/v1.50.5
- https://github.com/backstage/backstage/releases/tag/v1.54.6
CVE-2026-106503 · published · modified · JSON