Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

module

Ruby on Rails XML Processor YAML Deserialization Scanner

Disclosed
N/A

Description

This module attempts to identify Ruby on Rails instances vulnerable to
an arbitrary object instantiation flaw in the XML request processor.
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.