{"affected":[{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"n8n","product":"n8n","source":"CNA: VulnCheck","vendor":"n8n-io","versions":[{"lessThan":"2.46.1","status":"affected","version":"2.46.0","versionType":"semver"},{"status":"unaffected","version":"2.46.1","versionType":"semver"}]},{"defaultStatus":"unaffected","ecosystem":"npm","packageName":"n8n","product":"n8n","source":"CNA: VulnCheck","vendor":"n8n-io","versions":[{"lessThan":"2.45.5","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.45.5","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-2026-126387","cwes":["CWE-36"],"description":"n8n before 2.46.1 contains an arbitrary file read vulnerability that allows authenticated members to read server files by supplying absolute paths to the Browser Use browser_upload tool. Attackers with a connected remote browser session can have Playwright read files such as instance configuration from the n8n server and retrieve their contents from the page.","epss":{"date":"2026-11-13","percentile":0.36486,"score":0.00417},"exploits":[],"kev":null,"metrics":[{"score":6,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},{"score":6,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/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":5.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}],"modifiedAt":1794585294223,"publishedAt":1794562557075,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-9qx8-fhxv-w794"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/n8n-before-2.46.1-arbitrary-file-read-via-browser-use-browser-upload-tool"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-9qx8-fhxv-w794"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/n8n-before-2.46.1-arbitrary-file-read-via-browser-use-browser-upload-tool"}],"remediation":[],"revision":"82a904b8128c1bdad9dfd3ae17f044c79dd1fbb26d57ac8dfb1852240b154e1f","sources":[{"modifiedAt":1794585294223,"name":"CNA: VulnCheck","retrievedAt":1794586205656,"url":"https://www.cve.org/CVERecord?id=CVE-2026-126387"},{"modifiedAt":1794565062163,"name":"NVD","retrievedAt":1794572193781,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126387"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794586219814,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-126387"}],"ssvc":{"assessedAt":1794583828555,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"n8n before 2.46.1 Arbitrary File Read via Browser Use browser_upload Tool","updatedAt":1794586219814}