---
title: "GHSA-g38r-8gmr-ghrf: `mysten-metrics` was removed from crates.io for malicious code"
url: https://erroneo.us/security/ghsa/GHSA-g38r-8gmr-ghrf/
description: "GHSA-g38r-8gmr-ghrf (critical, crates.io (Rust)): mysten-metrics was removed from crates.io for malicious code. mysten-metrics included a build script that…"
type: advisory
section: "Security Digest"
date_published: 2026-05-04
date_modified: 2026-05-04
publisher: erroneo.us
author: erroneo.us Security Desk
ghsa: "GHSA-g38r-8gmr-ghrf"
license: All rights reserved. Quote with attribution and a link.
---

# GHSA-g38r-8gmr-ghrf: `mysten-metrics` was removed from crates.io for malicious code

## Affected packages

- crates.io (Rust) `mysten-metrics` >= 0 → fixed: none listed

## Details

mysten-metrics included a build script that attempted to exfiltrate data from the build machine. The malicious crate had 1 version published on 2026-04-20 and had no evidence of actual usage. This crate had no dependencies on crates.io.

## Sources

- [GitHub Advisory GHSA-g38r-8gmr-ghrf](https://github.com/advisories/GHSA-g38r-8gmr-ghrf)
- [rustsec.org](https://rustsec.org/advisories/RUSTSEC-2026-0107.html)

---
Source page: https://erroneo.us/security/ghsa/GHSA-g38r-8gmr-ghrf/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt