VDB
GCVE-110-OSM-2026-6440
GCVE-110-OSM-2026-6440
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution.
ENTRY
scripts/postinstall.js (install-hook: node scripts/postinstall.js)
- Install Hook Executes Local JS File in package.json
DESTINATION
- custom-c2: 114.67.90.67 (primary, plaintext) in scripts/shell.js
EXFIL
- System Information Exfiltration in scripts/shell.js: "os.platform() + '_' + os.release()); const req = http.request"
- Data Encoding for Exfiltration in scripts/shell.js: "encodeURIComponent(hostname"
- Network Request in scripts/shell.js: "http.request("
- System Information Collection in scripts/shell.js: "os.userInfo()"
ADDITIONAL FINDINGS
- Stealth Background Process Spawning in scripts/postinstall.js: "spawn(process.execPath, [path.join(__dirname, 'shell.js')], { detached: true, st..."
- Shell Command Execution in scripts/postinstall.js: "require('child_process')"
- Silent Process Execution in scripts/postinstall.js: "stdio: 'ignore'"
- Detached Child Process Payload in scripts/postinstall.js: "spawn(process.execPath, [path.join(__dirname, 'shell.js')], { detached: true"
- Brand New Package
PAYLOAD FILES
scripts/shell.js (+ scripts/postinstall.js)
INDICATORS (IOCs)
- payloadFileHash: 9a9278d74630388e996735bb2e778f572010a2952c9304495f41cbd43adbecee
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 | yianzzkf6687 | 1.0.3 (affected) | — |
Aliases
Browse GCVE Records
73,738 records in the GCVE database · Updated July 19, 2026
No matching records found.
Explore Further
Investigate this vulnerability in the interactive console or download the raw GCVE record.