Medium severityNVD Advisory· Published Jul 15, 2026· Updated Jul 15, 2026

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

N8n Io/N8nllm-fuzzy
Range: <2.10.0

Patches

Vulnerability mechanics

References

github.com/n8n-io/n8n/security/advisories/GHSA-fvfv-ppw4-7h2wnvd
www.vulncheck.com/advisories/n8n-guardrail-node-bypass-via-crafted-inputnvd

News mentions

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