CVE-2026-56227
MEDIUM
NVD
CVSS Score
5.4
Severity
MEDIUM
Published
Jun 20, 2026
Vendor
unknown
Description
Capgo before 12.128.2 contains a server-side request forgery vulnerability in webhook URL validation that allows loopback and internal addresses. Organization admins can configure webhooks pointing to localhost or 127.0.0.1, and when triggered, the backend performs outbound requests to these addresses with error responses disclosed to users.