VDB
GCVE-110-OSM-2026-9899
GCVE-110-OSM-2026-9899
Advisory PublishedCVSS 9.6/10
This package hides an obfuscagted payload in the lib/core.js file which curl's a package.json manifest file and then installs malicious packages from internet sources.
ENTRY
index.js (main: index.js)
EXFIL
- Network Request in lib/core.js: "https.get("
- System Information Collection in lib/core.js: "os.hostname()"
- System Information Collection in lib/helpers.js: "os.hostname()"
OBFUSCATION
- Dynamic Base64 Decoding in lib/helpers.js: "Buffer.from(str, 'base64')"
- Obfuscation Successfully Evaded Deobfuscation in lib/helpers.js
ADDITIONAL FINDINGS
- Stealth Background Process Spawning in lib/core.js: "spawn(cscript, args, { detached: true, stdio: 'ignore', windowsHide: true, windo..."
- Shell Command Execution in lib/core.js: "require('child_process')"
- Silent Process Execution in lib/core.js: "stdio: 'ignore'"
- Detached Child Process Payload in lib/core.js: "spawn(cscript, args, { detached: true"
PAYLOAD FILES
lib/core.js
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 | json-validator-utils | all (affected) | — |
Aliases
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