Security Advisory

CVE-2026-85170

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-09-03 11:22:19

Last updated 2026-09-03 12:13:46

Assigner VulnCheck

CVSS score 7.1

State PUBLISHED

Description

n8n versions before 1.123.73, 2.35.4, and 2.36.2 pass message content in the Gmail (v1) and Brevo nodes to the mail composer without verifying it is a string. An authenticated user able to run a workflow can supply an expression that resolves to an object carrying a path or href property, causing the composer to read a local file accessible to the n8n process or fetch an internal URL (SSRF) and attach the result to the outgoing message.

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