Boletines de Vulnerabilidades

CVE-2026-56357

   
Software afectado GITHUB
 
n8n before 1.123.15 and 2.5.0 contains a webhook forgery vulnerability in the GitHub Webhook Trigger node that fails to implement HMAC-SHA256 signature verification. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary data, spoofing GitHub webhook events.

Link:

https://nvd.nist.gov/vuln/detail/CVE-2026-56357