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[NEW] [high] n8n: Multiple Vulnerabilities

high
An attacker can exploit multiple vulnerabilities in n8n to execute arbitrary code, bypass security measures, disclose confidential information, manipulate data, conduct cross site scripting or server side request forgery, or trigger a denial of service condition.

CSIRTS triage

vendor: n8nproduct: n8nRemote code executionAuthentication bypassInformation disclosureOtherCross-site scripting
What
Multiple vulnerabilities allow arbitrary code execution, security bypass, information disclosure, data manipulation, cross-site scripting, server-side request forgery, and denial of service.
Who is affected
All n8n deployments.
Urgency
High severity with code execution capability requires urgent patching.
Action
Apply available n8n security patches immediately.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-08-21
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2681

Recent advisories for n8n

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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