CVE Explorer
CVE-2026-56349
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.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","product":"n8n","vendor":"n8n","versions":[{"lessThan":"2.10.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.10.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:cdb424b062cc8c4a43b0588e7f6aa42cf56f0168c26cf839d0326ba3fe67aac7 · sha256:cef15e2e26d13a35… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:cdb424b062cc8c4a43b0588e7f6aa42cf56f0168c26cf839d0326ba3fe67aac7 · sha256:cef15e2e26d13a35… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-20","description":"Improper Input Validation","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:cdb424b062cc8c4a43b0588e7f6aa42cf56f0168c26cf839d0326ba3fe67aac7 · sha256:cef15e2e26d13a35… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"name":"GitHub Security Advisory (GHSA-fvfv-ppw4-7h2w)","tags":["vendor-advisory"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-fvfv-ppw4-7h2w"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:cdb424b062cc8c4a43b0588e7f6aa42cf56f0168c26cf839d0326ba3fe67aac7 · sha256:cef15e2e26d13a35… · /containers/cna/references/0
{"name":"VulnCheck Advisory: n8n - Guardrail Node Bypass via Crafted Input","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/n8n-guardrail-node-bypass-via-crafted-input"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:cdb424b062cc8c4a43b0588e7f6aa42cf56f0168c26cf839d0326ba3fe67aac7 · sha256:cef15e2e26d13a35… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.