CVE-2026-56349

UNKNOWN 0.0

n8n - Guardrail Node Bypass via Crafted Input

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-20
Vendor	n8n
Product	n8n
Published	Jul 15, 2026
Last Updated	Jul 15, 2026

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Affected Versions

n8n / n8n

0 < 2.10.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/n8n-io/n8n/security/advisories/GHSA-fvfv-ppw4-7h2w vulncheck.com: https://www.vulncheck.com/advisories/n8n-guardrail-node-bypass-via-crafted-input

Credits

🔍 akirilov