CVE-2025-54376: WebSocket endpoint `/api/v2/ws/logs` reachable without authentication even when --auth is enabled

CVE-2025-54376 · Severity: medium · CVSS 4 · Published 2025-09-17

WebSocket endpoint `/api/v2/ws/logs` reachable without authentication even when --auth is enabled in github.com/SpectoLabs/hoverfly

Technologies: github.com/SpectoLabs/hoverfly (Go). Vendors: Go.

Quick answers

Is CVE-2025-54376 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-54376 being exploited in the wild.
How severe is CVE-2025-54376?
Medium severity, with a CVSS score of 4, published 17 September 2025.
Which products and versions are affected?
github.com/SpectoLabs/hoverfly (Go) SEMVER:introduced=0,fixed=1.12.0.
Is there a fix for CVE-2025-54376?
Yes. github.com/SpectoLabs/hoverfly (Go): upgrade to 1.12.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-54376?
Check whether you run github.com/SpectoLabs/hoverfly (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/SpectoLabs/hoverfly (Go): upgrade to 1.12.0 or later
    go get github.com/SpectoLabs/hoverfly@v1.12.0

Affected products

  • github.com/SpectoLabs/hoverfly (Go) SEMVER:introduced=0,fixed=1.12.0

Identifiers

  • CVE-2025-54376
  • GHSA-jxmr-2h4q-rhxp
  • GO-2025-3945

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