CVE-2020-5404: Broadcom Reactor Netty

Medium severity, CVSS 5.9. EPSS: 0.7% chance of exploitation in the next 30 days.

The HttpClient from Reactor Netty, versions 0.9.x prior to 0.9.5, and versions 0.8.x prior to 0.8.16, may be used incorrectly, leading to a credentials leak during a redirect to a different domain. In order for this to happen, the HttpClient must have been explicitly configured to follow redirects.

Affected products

• Broadcom Reactor Netty: from 0.8.0, up to and including 0.8.15; from 0.9.0, up to and including 0.9.4

Published 2020-03-03. Last modified 2026-09-04.