npm · Malicious package advisory
Malwarewxwxtt
GHSA-678p-cx2w-w69p
Malicious code in wxwxtt (npm)
Details
**Severity:** Critical **Affected versions:** `= 0.0.0` wxwxtt is a dependency-confusion package (versions up to 99.0.1) from the same campaign as troubleshooting (MAL-2026-17641): a postinstall script runs beacon.cjs, which POSTs the installing host's name, install path and working directory to a hard-coded collector, and index.js, byte-identical to the troubleshooting payload (sha256 a86a4da763bbb34c16f361abe7aab66d5df591b66867ac8160041f932159b08d), does the same when imported. --- Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/23ba843b4a773277fa7a4a51240e83cd70ea2a45/osv/malicious/npm/wxwxtt/MAL-2026-18701.json)) **References:** - https://github.com/ossf/malicious-packages/blob/23ba843b4a773277fa7a4a51240e83cd70ea2a45/osv/malicious/npm/wxwxtt/MAL-2026-18701.json - https://osv.dev/vulnerability/MAL-2026-17641 - https://www.npmjs.com/package/wxwxtt - https://github.com/advisories/GHSA-678p-cx2w-w69p
Compromised versions (1)
- = 0.0.0
Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.