VDB

GCVE-110-OSM-2026-9899

GCVE-110-OSM-2026-9899
Advisory PublishedCVSS 9.6/10
Vulnetix · Advisory published August 7, 2026
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

VendorProductVersionsPlatforms
unknownjson-validator-utilsall (affected)

References

advisory
vendor

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