CVE-2026-65591EPSS p51.3%

CVE-2026-65591CVE-2026-65591

n8n / n8n

Description

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.

Scoring

CVSS 8.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.69% probability of exploitation · percentile 51.3% · 2026-10-05T12:00:23Z
Last modified2026-07-27
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.