CVE-2026-50018 Hoverfly: Denial of Service via Goroutine Leak in Remote Post-Serve Actions

Hoverfly is an open source API simulation tool. Prior to version 1.12.8, remote post-serve actions use http.DefaultClient without any timeout configuration. When the remote endpoint is unreachable or intentionally slow accepts TCP connection but never responds, each triggered proxy request spawns...

CVE-2026-50018

Hoverfly (open source API simulation tool) prior to version 1.12.8 is vulnerable to denial of service via a goroutine leak in its remote post-serve actions . The root cause is the use of http.DefaultClient without any timeout configuration: when the remote endpoint is unreachable or intentionally...

GHSA-42J2-W334-QXW7 Hoverfly: Denial of Service via Goroutine Leak in Remote Post-Serve Actions

Summary: Remote post-serve actions use http.DefaultClient without any timeout configuration. When the remote endpoint is unreachable or intentionally slow accepts TCP connection but never responds, each triggered proxy request spawns a goroutine that blocks indefinitely on http.DefaultClient.Do. ...