MEDIUMCVSS v3.1 5.3Vulnerability

CVE-2026-126387

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00417
Cvss severity
MEDIUM
Cvss score
5.3
Retrieved at
2026-11-14T00:51:03+00:00
Last source
FIRST EPSS
Score
5.3
Cvss version
3.1
Cve id
CVE-2026-126387
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
First seen by Signal
2026-11-13T17:31:47+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Published at
2026-11-13T10:17:42.030
Last modified
2026-11-13T16:18:19.307
Epss percentile
0.36486

Related Entities (1)

HAS_WEAKNESS (1)

Related research

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CVE-2026-126387 (CVSS v3.1 5.3) — Ninja Signal Threat Intelligence | Ninja Signal