GCVE-110-OSM-2026-14408

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published October 22, 2026

Operator-controlled GitHub test repository for the testmetest Miasma-family npm worm, listed by SafeDep as an IOC. Operator test repository for the testmetest Miasma-family npm worm; most CementBeetleSteeple repos contain the worm's files (AGENTS.md, CLAUDE.md, .github/init.js, .github/init.ps1, .claude/index.js). Do not clone or open. CementBeetleSteeple (GitHub ID 295109074) commits with the same email as npm account testnewtestme; linked account Meteordrewarm (ID 295109040) ran the first exfil test on 19 Sep 2026 from root@vultr.guest.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown		all (affected)	—

References

Malicious repository: https://github.com/CementBeetleSteeple/stable-scripts-9965

advisory

Browse GCVE Records

930 records in the GCVE database · Updated November 4, 2026

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