Descrição
n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, an authenticated user with workflow edit access could configure a Respond to Webhook node to serve binary content with an attacker-controlled Content-Type. The binary response path bypassed the central Content-Security-Policy sandbox header, allowing a public webhook to execute JavaScript in the n8n origin when visited by an authenticated user, with access to that user-s session. This vulnerability is fixed in 1.123.55, 2.25.7, and 2.26.2.
CVSS 7EPSS 0.217%Risco 0.71
Ver fonte- Publicação
- 2026-06-23 17:17:06
- Versões afetadas
- <1.123.55, <2.25.7, <2.26.2
- Tipo
- Aplicação web
- Vetor
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X