CVE-2026-54353
CVE-2026-54353 · Budibase: Potential SSRF DNS rebinding bypass in outbound fetch validation
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
Budibase is an open-source low-code platform. Prior to 3.39.9, authenticated users with automation permissions can bypass Budibase's SSRF blacklist through DNS rebinding. The outbound fetch flow validates a hostname against the blacklist before the request is sent, but the actual socket connection later performs a separate DNS lookup through node-fetch. Since the validated IPs are never pinned to the connection, an attacker-controlled hostname can return a public IP during validation and a private/internal IP during the real connection. This results in a non-blind SSRF primitive against internal services reachable from the Budibase host, including loopback, RFC1918 ranges, and cloud metadata endpoints. This vulnerability is fixed in 3.39.9.
CVSS 8.5 · Alta · EPSS 0,2% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: node
Productos y versiones afectados
budibase
- Versiones
- < 3.39.9: Afectada
Sin corrección publicada
@budibase/backend-core npm
- Intervalos de versiones afectados
- SEMVER: < 3.39.9
Actualiza a 3.39.9