{"affected":[{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"n8n","product":"n8n","source":"CNA: VulnCheck","vendor":"n8n-io","versions":[{"lessThan":"2.38.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.38.0","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"n8n","product":"n8n","source":"CNA: VulnCheck","vendor":"n8n-io","versions":[{"lessThan":"3.0.1","status":"affected","version":"3.0.0","versionType":"semver"},{"status":"unaffected","version":"3.0.1","versionType":"semver"}]}],"cveId":"CVE-2026-126382","cwes":["CWE-306"],"description":"n8n before 2.38.0 and 3.x before 3.0.1 contains a missing authentication vulnerability in the Asana Trigger that accepts a new webhook verification secret from any request carrying an X-Hook-Secret header. Unauthenticated attackers who know the webhook URL can replace the secret, send forged Asana events that pass signature verification, and trigger workflows with attacker-controlled data while genuine deliveries are rejected.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:N","version":"4.0"},{"score":5.4,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L","version":"3.1"},{"score":6.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":5.4,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L","version":"3.1"}],"modifiedAt":1794565061260,"publishedAt":1794562560507,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-mx4r-96jx-v278"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/n8n-before-2.38.0-authentication-bypass-via-asana-trigger-webhook-secret-reset"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-mx4r-96jx-v278"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/n8n-before-2.38.0-authentication-bypass-via-asana-trigger-webhook-secret-reset"}],"remediation":[],"revision":"b15ff8e5d1ba9c31628f850890197bdd7a8c8c3cbb06e8b657e928dd08c2b655","sources":[{"modifiedAt":1794562560507,"name":"CNA: VulnCheck","retrievedAt":1794564630987,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126382"},{"modifiedAt":1794565061260,"name":"NVD","retrievedAt":1794572192835,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126382"}],"ssvc":null,"status":"published","title":"n8n before 2.38.0 Authentication Bypass via Asana Trigger Webhook Secret Reset","updatedAt":1794572192835}