Vulnerability 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.
Related Weaknesses (CWE)
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-fvfv-ppw4-7h2w
- https://www.vulncheck.com/advisories/n8n-guardrail-node-bypass-via-crafted-input
FAQ
What is CVE-2026-56349?
CVE-2026-56349 is a documented vulnerability. 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 circu...
How severe is CVE-2026-56349?
CVSS scoring is not yet available for CVE-2026-56349. Check NVD for updates.
Is there a patch for CVE-2026-56349?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.