CVE-2026-106503
CVE-2026-106503 · Backstage: Scaffolder action input authorization bypass
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by scaffolder action input authorization bypass. An authenticated user with access to affected Scaffolder templates could bypass configured action restrictions. Depending on integration credentials, this could grant unauthorized access to repositories and related source-control resources. This issue is fixed in versions 3.3.1, 3.4.1, 4.0.3 and 4.1.0.
CVSS 8.1 · Alta · EPSS 0,4% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: node
Productos y versiones afectados
backstage
- Versiones
- < 1.49.6: Afectada
- >= 1.50.0-next.0, < 1.50.5: Afectada
- >= 1.51.0-next.0, < 1.54.6: Afectada
Sin corrección publicada
plugin-scaffolder-backend
- Versiones
- < 3.3.1: Afectada
- >= 3.4.0, < 3.4.1: Afectada
- >= 4.0.0, < 4.0.3: Afectada
- >= 4.0.4, < 4.1.0: Afectada
Sin corrección publicada
@backstage/plugin-scaffolder-backend npm
- Intervalos de versiones afectados
- SEMVER: < 3.3.1
Actualiza a 3.3.1
@backstage/plugin-scaffolder-backend npm
- Intervalos de versiones afectados
- SEMVER: ≥ 3.4.0, < 3.4.1
Actualiza a 3.4.1
@backstage/plugin-scaffolder-backend npm
- Intervalos de versiones afectados
- SEMVER: ≥ 4.0.0, < 4.0.3
Actualiza a 4.0.3
@backstage/plugin-scaffolder-backend npm
- Intervalos de versiones afectados
- SEMVER: ≥ 4.0.4, < 4.1.0
Actualiza a 4.1.0
Fuentes originales
- https://github.com/backstage/backstage/security/advisories/GHSA-hmp2-4m7g-22cv
- 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/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
- https://nvd.nist.gov/vuln/detail/CVE-2026-106503