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.
Published: 2026-11-13
Score: 6 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 13 Nov 2026 09:45:00 +0000

Type Values Removed Values Added
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.
Title n8n before 2.46.1 Arbitrary File Read via Browser Use browser_upload Tool
First Time appeared N8n
N8n n8n
Weaknesses CWE-36
CPEs cpe:2.3:a:n8n:n8n:*:*:*:*:*:*:*:*
Vendors & Products N8n
N8n n8n
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_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'}

Subscriptions

N8n N8n
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T09:35:57.075Z

Reserved: 2026-11-10T21:26:25.841Z

Link: CVE-2026-126387

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-13T10:17:42.030

Modified: 2026-11-13T10:17:42.163

Link: CVE-2026-126387

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses