CVE-2026-56255

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 v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/Cap-go/capgo/security/advisories/GHSA-q2xx-6h9x-43fw
https://www.vulncheck.com/advisories/capgo-denial-of-service-via-unlimited-demo-app-creation
https://github.com/Cap-go/capgo/security/advisories/GHSA-q2xx-6h9x-43fw

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-22 22:16

Updated : 2026-06-23 15:16

NVD link : CVE-2026-56255

Mitre link : CVE-2026-56255

CVE.ORG link : CVE-2026-56255

JSON object : View

Products Affected

No product.

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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