VDB
GCVE-110-OSM-2026-5073
GCVE-110-OSM-2026-5073
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, network activity, install-time execution.
Entrypoint: postinstall.js (install-hook: node postinstall.js)
Payload: postinstall.js
Key findings:
- OAST/Interactsh Exfiltration in postinstall.js: "oastify.com"
- Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js""
- Data Encoding for Exfiltration in postinstall.js: "encodeURIComponent('@challenger6/vm-pattern-library"
- Brand New Package
- Publisher Has Other Malicious Packages
IOCs:
- payloadFileHash: bf63f9e043ee6a99bb5024d907165bc0cc186c9eb042b623d6ce310ee4d50d8c
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 | @challenger6/vm-pattern-library | all (affected) | — |
Aliases
Explore Further
Investigate this vulnerability in the interactive console or download the raw GCVE record.