CVE-2026-56252: Capgo

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Capgo before 12.128.2 contains a scope isolation vulnerability in the POST /webhooks/test endpoint that allows app-scoped API keys to invoke org-scoped webhook operations. Attackers with app-scoped credentials can trigger signed outbound webhook deliveries for arbitrary organization webhooks outside their declared app boundary, bypassing the limited_to_apps authorization check.

Affected products

• Capgo Capgo: before 12.128.2 (fixed in 12.128.2)

Published 2026-07-12. Last modified 2026-07-13.