CVE-2026-21858

CRITICAL

10.0

Beschreibung

n8n is an open source workflow automation platform. Versions starting with 1.65.0 and below 1.121.0 enable an attacker to access files on the underlying server through execution of certain form-based workflows. A vulnerable workflow could grant access to an unauthenticated remote attacker, resulting in exposure of sensitive information stored on the system and may enable further compromise depending on deployment configuration and workflow usage. This issue is fixed in version 1.121.0.

CVE Details

CVSS v3.1 Bewertung10.0

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/8/2026

Zuletzt geandert1/16/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

n8n:n8n

Schwachen (CWE)

CWE-20

Referenzen

https://github.com/n8n-io/n8n/security/advisories/GHSA-v4pr-fm98-w9pg(security-advisories@github.com)

https://www.cyera.com/research-labs/ni8mare-unauthenticated-remote-code-execution-in-n8n-cve-2026-21858(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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