CVE-2026-54304CWE-200

n8n: SecurityScorecard Node Leaks API Token to User-Controlled Host

High · published June 23, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
31.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N
EPSS
0.00382 · 31.1th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-06-23T15:48Z
EPSS history
Timeline
  • 23 JUN 15:48Z
    n8n: SecurityScorecard Node Leaks API Token to User-Controlled Host
    cvelistv5