{"cve":"CVE-2026-56349","nvd":{"published":"2026-07-15T12:18:02.297","modified":"2026-10-25T15:10:00.147","status":"Deferred","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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3},"cvss_v3":null,"cwes":["CWE-20"],"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"],"products":[],"source":"nvd","synced_at":"2026-10-25T17:50:08.599881581+00:00"},"epss":{"cve":"CVE-2026-56349","score":0.00472,"percentile":0.40556,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-fvfv-ppw4-7h2w","url":"https://osv.dev/vulnerability/GHSA-fvfv-ppw4-7h2w","summary":"n8n has a Guardrail Node Bypass","modified":"2026-07-16T03:56:45.317747847Z","packages":[{"ecosystem":"npm","name":"n8n","purl":"pkg:npm/n8n","ranges":["<2.10.0"],"fixed":["2.10.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}