GHSA-99j7-fhr2-xfj4: `exploration` was removed from crates.io for malicious code

Severity: Critical

CVSS Score: 10

A method within the `exploration` crate attempted to download and execute a payload from a remote site. The malicious crate had 1 version published on 2026-06-02, approximately 1 hour before removal, and had no evidence of actual usage. This crate had no dependencies on crates.io. Rustsec to Kirill Boychenko from the [Socket Threat Research Team](https://socket.dev/) for reporting this crate.