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High-risk vulnerability digests

CVE-2026-21858

  • CRITICAL

Exploit for Improper Input Validation in N8N

Details

CVSS v3
10.0
NVD published
2026-01-08 00:15:59
EPSS
6.6% probability · 91.2th percentile — 2026-04-08
Affected versions
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
Summary
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.
Remediation
Not available in our cache.
Exploit info
https://www.cyera.com/research-labs/ni8mare-unauthenticated-remote-code-execution-in-n8n-cve-2026-21858

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Information is aggregated from multiple authoritative sources for convenience; verify with NVD and vendors before operational decisions.