VDB
GCVE-110-OSM-2026-7502
GCVE-110-OSM-2026-7502
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.
ENTRY
callback.js (install-hook: node callback.js || true)
- Install Hook Executes Local JS File in package.json
DESTINATION
- custom-c2: pbnuwvwzmktaetcsjyyjlhncsf843r5a5.oast.fun (primary, plaintext) in callback.js
EXFIL
- OAST/Interactsh Exfiltration in callback.js: ".oast.fun"
- System Information Exfiltration in callback.js: "os.hostname().replace(/[^a-zA-Z0-9-]/g,'').slice(0,20); const u = os.userInfo()...."
- Network Request in callback.js: "https.request("
- System Information Collection in callback.js: "os.userInfo()"
- Suspicious Domain in callback.js: "oast.fun"
PAYLOAD FILES
callback.js
INDICATORS (IOCs)
- urls: https://hackerone.com/tiktok
- domains: hackerone.com
- payloadFileHash: 067f8f30d289087f6914c1ac685d24391b542844c06dadfd210b54ac202b3d66
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 | bytefaas-sdk | all (affected) | — |
Aliases
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