VDB
GCVE-110-OSM-2026-5863
GCVE-110-OSM-2026-5863
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: beacon.js (install-hook: node beacon.js)
Exfil: xxxx.oast.fun (custom-c2, recovery: plaintext in beacon.js)
Payload: beacon.js
Key findings:
- OAST/Interactsh Exfiltration in beacon.js: ".oast.fun"
- System Information Exfiltration in beacon.js: "os.hostname() });
var req = https.request"
- HTTP Data Exfiltration in beacon.js: "os.hostname() });
var req = https.request"
- Platform Detection with Data Collection in beacon.js: "JSON.stringify({ pkg: PKG, nonce: NONCE, host: os.hostname() });
var req = h..."
- Install Hook Executes Local JS File in package.json: ""postinstall": "node beacon.js""
IOCs:
- domains: xxxx.oast.fun
- payloadFileHash: 8c192b85697649c4333289e69736e35222e82facf81728fdf61be9ba093d01ba
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 | loadninja-shared | all (affected) | — |
Aliases
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