Skip to content
OpenAdvisories
Medium · 4.3 CVE-2026-56255 EUVD-2026-38365

Capgo - Denial of Service via Unlimited Demo App Creation

Published Jun 22, 2026 · Updated Jun 23, 2026 · Assigned by VulnCheck

Description

Capgo before 12.128.2 contains a denial of service vulnerability in the POST /app/demo endpoint that allows authenticated users with org write permissions to create unlimited demo applications without rate limiting or quota enforcement. Attackers can repeatedly invoke this endpoint to generate approximately 138 database write operations per request, causing degraded performance, increased costs, and potential service instability.

Affected products

VendorProductAffectedFixed
Capgo Capgo < 12.128.2 12.128.2

References