VULNERABILITY INTELLIGENCE
CVE-2026-56255
CVSS score5.3 MEDIUM
EPSS probability0.37%
CISA KEVNot currently listed
Published2026-06-22
Last modified2026-06-23
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.