Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/Cap-go/capgo/security/advisories/GHSA-q2xx-6h9x-43fw
- https://www.vulncheck.com/advisories/capgo-denial-of-service-via-unlimited-demo-
- https://github.com/Cap-go/capgo/security/advisories/GHSA-q2xx-6h9x-43fw
FAQ
What is CVE-2026-56255?
CVE-2026-56255 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...
How severe is CVE-2026-56255?
CVE-2026-56255 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-56255?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.