GCVE-110-OSM-2026-863

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published January 31, 2026

Malicious Open VSX extension part of the GlassWorm campaign. Uses staged JavaScript execution with RC4/base64/string-array obfuscation, Solana blockchain dead drops for C2 resolution, AES-encrypted payloads with keys delivered via HTTP response headers, and Russian locale geofencing. Abuses extensionPack/extensionDependencies for transitive delivery. C2 IPs: 45.32.150.251, 45.32.151.157, 70.34.242.255.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

9.6/10

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

Affected Products

Vendor	Product	Versions	Platforms
unknown	pyscopexte.pyscope-extension	all (affected)	—

References

Malicious vscode package: pyscopexte.pyscope-extension

advisory

vendor

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