VDB
GCVE-110-OSM-2026-4550
GCVE-110-OSM-2026-4550
Advisory PublishedCVSS 5.4/10
[osmalyze-auto] Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, install-time execution.
[osmalyze-auto] Entrypoint: callback.js (install-hook: node ./callback.js || true)
Payload: callback.js
Key findings:
- OAST/Interactsh Exfiltration in callback.js: ".oast.pro"
- Install Hook Executes Local JS File in package.json: ""preinstall": "node ./callback.js || true""
- Brand New Package
- Very New NPM Publisher Account
IOCs:
- urls: https://example.invalid/skysz-bbp-uol-poc
- domains: meupainelhost.uol.com.br, oast.pro, d86r3dv5vn81lvohffp0131g8kdx9mz3c.oast.pro
- payloadFileHash: 9995eda9986246d14944e74196fde1f8c5ce9568721eb9cff63795ec59c456cd
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 | uolcs-host-uol-anuncios-fe | 99.99.99 (affected) | — |
Aliases
Explore Further
Investigate this vulnerability in the interactive console or download the raw GCVE record.