Unrated severityNVD Advisory· Published Jul 15, 2026· Updated Jul 15, 2026
n8n - Guardrail Node Bypass via Crafted Input
CVE-2026-56349
Description
n8n before version 2.10.0 contains an input validation vulnerability in the Guardrail node that allows attackers to bypass default guardrail instructions. End users can craft malicious inputs to circumvent guardrail protections and compromise workflow integrity.
Affected products
1Patches
Vulnerability mechanics
References
2- github.com/n8n-io/n8n/security/advisories/GHSA-fvfv-ppw4-7h2wmitrevendor-advisory
- www.vulncheck.com/advisories/n8n-guardrail-node-bypass-via-crafted-inputmitrethird-party-advisory
News mentions
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