CVE-2026-52880

Klever-Go REST API (seednode and node) in versions 1.7.14–1.7.17 is affected by a denial-of-service via slow-header connections. The issue stems from Gin Engine.Run using Go’s default http.ListenAndServe with no ReadHeaderTimeout, ReadTimeout, or MaxHeaderBytes, allowing an unauthenticated client...

GO-2026-5686 klever-go: REST API slow-header connection exhaustion via Gin Engine.Run in github.com/klever-io/klever-go

klever-go: REST API slow-header connection exhaustion via Gin Engine.Run in github.com/klever-io/klever-go...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the Engine.Run process. An attacker can cause the server to become unavailable to legitimate users by opening multiple connections and sending incomplete HTTP headers, thereby...

GHSA-W4C6-7R69-W7J9 klever-go: REST API slow-header connection exhaustion via Gin Engine.Run

Summary The Klever seednode REST API starts a Gin engine with Engine.RunrestAPIInterface. In Gin v1.9.1, Engine.Run calls Go's default http.ListenAndServe, which constructs an HTTP server without application-level ReadHeaderTimeout, ReadTimeout, or MaxHeaderBytes limits. An unauthenticated client...

PT-2026-48347

Name of the Vulnerable Software and Affected Versions klever-go versions 1.7.14 through 1.7.17 Description The REST API in the seednode and node components is susceptible to a denial of service attack. This occurs because the application uses the Gin framework's Engine.Run function, which relies ...