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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| n8n-io | n8n | 2.46.0 – < 2.46.1, < 2.45.5, 3.0.0 – < 3.0.1 | 2.46.1 |
Advisories 1
- WID-SEC-2026-4192 n8n: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 12, 2026
References
- GitHub Security Advisory (GHSA-9qx8-fhxv-w794) vendor-advisory
- VulnCheck Advisory: n8n before 2.46.1 Arbitrary File Read via Browser Use browser_upload Tool third-party-advisory