CVE-2026-126387

MEDIUMCVSS 5.30% EPSS

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.

Published 2026-11-13 · last modified 2026-11-13

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.