CVE-2026-56778mediumCWE-863

CVE-2026-56778: fallo de gravedad media en n8n

n8n - Authorization Bypass in Public API Execution Retry Endpoint

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear n8n+ Monitorear n8n

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 5.3epss 0.3%
n8n before 2.25.7 and 2.26.x before 2.26.2 contains an authorization bypass in the Public API execution retry endpoint, which authorizes access using the workflow:read scope instead of workflow:execute. An authenticated user with read-only access to a shared workflow can use the Public API to retry executions of that workflow, bypassing the intended permission boundary between read and execute access. This affects instances where workflows are shared with other users or across projects.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Productos afectados
n8n · n8n
CVEs relacionadas — n8n

En el mismo producto, de las más peligrosas a las menos.

CVE-2026-59257MEDIUMn8n - SQL Injection in MySQL v1 executeQuery Operation via Expression InterpolationEPSS 0.6%CVE-2025-71380HIGHn8n - Arbitrary Command Execution via Execute Command NodeEPSS 0.6%CVE-2026-56348MEDIUMn8n - Credential Exfiltration via Allowed HTTP Request Domains Bypass in Dynamic Node Parameters EndpointEPSS 0.5%CVE-2026-56349MEDIUMn8n - Guardrail Node Bypass via Crafted InputEPSS 0.5%CVE-2026-59259MEDIUMn8n - Permission Bypass via Expression Parser Mismatch in External SecretsEPSS 0.4%CVE-2026-58661MEDIUMn8n - Disk Space Exhaustion via Data-Table File Upload EndpointEPSS 0.4%