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...

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: Uncontrolled Resource Consumption

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...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the lack of timeout configuration in the http.DefaultClient used for remote post-serve actions. An attacker can exhaust system memory and crash the process by registering a...

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. ...