VDB
GCVE-110-OSM-2026-6597
GCVE-110-OSM-2026-6597
Advisory PublishedCVSS 5.4/10
Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, code execution, install-time execution.
ENTRY
postinstall.js (install-hook: node postinstall.js)
- Install Hook Executes Local JS File in package.json
DESTINATION
- custom-c2: http://qvmjcw4s.requestrepo.com (primary, plaintext) in postinstall.js
- custom-c2: qvmjcw4s.requestrepo.com (plaintext) in postinstall.js
EXFIL
- OAST/Interactsh Exfiltration in postinstall.js: "requestrepo.com"
ADDITIONAL FINDINGS
- Shell Command Execution in postinstall.js: "require('child_process')"
PAYLOAD FILES
postinstall.js
INDICATORS (IOCs)
- payloadFileHash: ef5f8be81a78eb60e8080f85a6da5b3732fe21ac0d59431bce2f9bf10bb26b49
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
5.4/10
Medium · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | cccmyssr-util | all (affected) | — |
Aliases
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