What’s Vulnerable › Vulnerabilities
CVE-2026-54304: n8n: SecurityScorecard Node Leaks API Token to User-Controlled Host
- Severity: high (CVSS 7.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-23 · updated 2026-10-26
- Weakness: CWE-200
Description
n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.1, an authenticated user with permission to create or modify workflows and access to a SecurityScorecard credential with limited allowed domains could configure the SecurityScorecard node's report download operation to target an attacker-controlled URL. The node attached the SecurityScorecard API token to the outbound request, causing the credential to be sent to the attacker-controlled host bypassing credential configured limitations and exfiltrating. This vulnerability is fixed in 1.123.55, 2.25.7, and 2.26.1.
Affected products
- n8n-io n8n: before 1.123.55; from 2.0.0 before 2.25.7; from 2.26.0 before 2.26.1 — fixed in 1.123.55, 2.25.7, 2.26.1
How to fix
Upgrade to a fixed version: n8n-io n8n 1.123.55, 2.25.7, 2.26.1. Check the vendor advisory for mitigations.
References
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