GCVE-110-OSM-2026-1007

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published March 16, 2026

Malicious OpenVSX extension part of GlassWorm Wave 5 campaign. Uses invisible Unicode obfuscation, transitive dependency abuse via extensionPack/extensionDependencies fields, and staged JavaScript execution with RC4 encryption. Includes locale gating targeting Russian-speaking users. C2 resolution via Solana blockchain memos. Technique: Invisible Unicode obfuscation + transitive dependency abuse Behavior: Staged JavaScript execution, in-memory payload, RC4 encryption Locale gating: Russian language targeting C2 IPs: 45.32.150.251, 45.32.151.157, 70.34.242.255 Solana wallet: 6YGcuyFRJKZtcaYCCFba9fScNUvPkGXodXE1mJiSzqDJ

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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	bhbpbarn.vsce-python-indent-extension	all (affected)	—

References

Malicious openvsx package: bhbpbarn.vsce-python-indent-extension

advisory

vendor

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