BaselineWatch
Desk

CVE-2026-65591

8.9 high exploit SSVC exploitation: none Analyzed

n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legacy expression engine is the default in affected versions. Fixed in n8n 1.123.64, 2.29.8, and 2.30.1.

Fix

Public exploits 1

Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.9 · n8nNVD modified 2026-10-24 17:10

Affected (CPE criteria) 4

  • cpe:2.3:a:n8n:n8n:*:*:*:*:community:node.js:*:*
  • cpe:2.3:a:n8n:n8n:*:*:*:*:enterprise:node.js:*:*
  • cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:community:node.js:*:*
  • cpe:2.3:a:n8n:n8n:2.30.0:*:*:*:enterprise:node.js:*:*

References 2