CVE-2019-5645: RAPID7 Metasploit

High severity, CVSS 7.5. EPSS: 41.7% chance of exploitation in the next 30 days.

By sending a specially crafted HTTP GET request to a listening Rapid7 Metasploit HTTP handler, an attacker can register an arbitrary regular expression. When evaluated, this malicious handler can either prevent new HTTP handler sessions from being established, or cause a resource exhaustion on the Metasploit server.

Affected products

• RAPID7 Metasploit: up to and including 5.0.27

Published 2020-09-01. Last modified 2026-06-17.