{"id":"GHSA-fvfv-ppw4-7h2w","summary":"n8n has a Guardrail Node Bypass","details":"## Impact\nAn end user interacting with a workflow that uses the Guardrail node could craft an input that bypasses the default guardrail instructions.\n\n## Patches\nThe issue has been fixed in n8n version 2.10.0. Users should upgrade to this version or later to remediate the vulnerability.\n\n## Workarounds\nIf upgrading is not immediately possible, administrators should consider the following temporary mitigations:\n- Limit access to trusted users.\n- Review asses the practical impact of guardrail bypasses in your usecase and adjust your workflow accordingly.\n\nThese workarounds do not fully remediate the risk and should only be used as short-term mitigation measures.","aliases":["CVE-2026-56349"],"modified":"2026-07-16T03:56:45.317747847Z","published":"2026-02-26T22:46:42Z","database_specific":{"github_reviewed_at":"2026-02-26T22:46:42Z","nvd_published_at":null,"cwe_ids":["CWE-20","CWE-693"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-fvfv-ppw4-7h2w"},{"type":"WEB","url":"https://github.com/n8n-io/n8n/commit/8d0251d1deef256fd3d9176f05dedab62afde918"},{"type":"PACKAGE","url":"https://github.com/n8n-io/n8n"},{"type":"WEB","url":"https://github.com/n8n-io/n8n/releases/tag/n8n@2.10.0"}],"affected":[{"package":{"name":"n8n","ecosystem":"npm","purl":"pkg:npm/n8n"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.10.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-fvfv-ppw4-7h2w/GHSA-fvfv-ppw4-7h2w.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"CVSS_V4","score":"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"}]}