CVE-2026-106500
CVE-2026-106500 · Backstage: Improper task state validation in Scaffolder backend
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 improper task state validation in scaffolder backend. An authenticated user with permission to create and access Scaffolder tasks may, under specific timing and deployment conditions, affect files accessible to the Backstage backend. If backend application files are writable, the confidentiality, integrity, and availability of the backend may be compromised. This issue is fixed in versions 3.3.1, 3.4.1, 4.0.3 and 4.1.0.
CVSS 8.5 · Alta · EPSS 0,3% · 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: < 4.1.0
Actualiza a 4.1.0
Fuentes originales
- https://github.com/backstage/backstage/security/advisories/GHSA-xvgh-hmx8-9xxf
- https://github.com/backstage/backstage/commit/0d24f1b8701f3dde6cd597f81997c1ea873a43ae
- https://github.com/backstage/backstage/commit/56be299dd3ef6706e13e76ea2f8a9b0dd0b6413d
- https://github.com/backstage/backstage/commit/9e86c95a1a3ddfd54db03731cd8678aa63495175
- 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-2026-106500