n8n: Send Email Node Arbitrary File Read and SSRF via Nodemailer Content-Object Type Confusion

Date Jul 22, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm · n8n
High-risk advisory

Summary

n8n: Send Email Node Arbitrary File Read and SSRF via Nodemailer Content-Object Type Confusion

Why it matters

GitHub has published a reviewed security advisory for n8n. Prioritize it with other application dependency updates.

Operator check

Check whether n8n is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.2.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.