Arbitrary File Upload Affecting n8n-nodes-base package, versions <1.121.12>=2.0.0 <2.4.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published5 Feb 2026
- disclosed4 Feb 2026
- creditnlgbao1340
Introduced: 4 Feb 2026
CVE-2026-25056 (opens in a new tab)How to fix?
Upgrade n8n-nodes-base to version 1.121.12, 2.4.0 or higher.
Overview
n8n-nodes-base is a Base nodes of n8n
Affected versions of this package are vulnerable to Arbitrary File Upload via the Merge node's SQL Query mode. An attacker can write arbitrary files to the server's filesystem and potentially execute remote code by crafting malicious workflows.
Note:
This is only exploitable if the attacker has authenticated access with permissions to create or modify workflows.
Workaround
This vulnerability can be mitigated by limiting workflow creation and editing permissions to fully trusted users, disabling or restricting use of the Merge node, and reviewing workflows for suspicious use of the Merge node's SQL Query mode.