{"id":"CVE-2026-126387","aliases":["EUVD-2026-125178"],"status":"published","title":"n8n before 2.46.1 Arbitrary File Read via Browser Use browser_upload Tool","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.","severity":{"version":"4.0","score":6,"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","level":"medium","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-36"],"published":"2026-11-13T09:35:57Z","modified":"2026-11-13T09:35:57Z","products":[{"vendor":"n8n-io","product":"n8n"}],"references":[{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-9qx8-fhxv-w794","tags":["vendor-advisory"]},{"url":"https://www.vulncheck.com/advisories/n8n-before-2.46.1-arbitrary-file-read-via-browser-use-browser-upload-tool","tags":["third-party-advisory"]}],"sources":{"cve":[{"id":"CVE-2026-126387","title":"n8n before 2.46.1 Arbitrary File Read via Browser Use browser_upload Tool","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.","status":"published","published":"2026-11-13T09:35:57.075Z","modified":"2026-11-13T09:35:57.075Z","cvss":[{"version":"4.0","score":6,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-36"],"updated_at":"2026-11-13T10:27:12.184616Z"}],"euvd":[{"id":"EUVD-2026-125178","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.","status":"published","published":"2026-11-13T09:35:57Z","modified":"2026-11-13T09:35:57Z","cvss":[{"version":"4.0","score":6,"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","level":"medium"}],"updated_at":"2026-11-13T10:38:07.336766Z"}]}}