VDB
GCVE-110-OSM-2026-2301
GCVE-110-OSM-2026-2301
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.
Payload: preinstall.js
Key findings:
- System Information Exfiltration in preinstall.js: "os.hostname(),
platform: os.platform(),
pkg: 'ckeditor5-fullscreen',
user:..."
- OAST/Interactsh Exfiltration in preinstall.js: "oastify.com"
- Install Hook Executes Local JS File in package.json: ""preinstall": "node preinstall.js""
- HTTP Data Exfiltration in preinstall.js: "os.userInfo().username
};
// HTTP callback to your Collaborator/interactsh URL
..."
- Suspicious Domain in preinstall.js: "oastify.com"
IOCs:
- domains: nxo0ilw9rw62fub1pgn40l0raig94zso.oastify.com
- payloadFileHash: d4b80362ba9714c10ebe1b2e7a49aa2d274007308efe1f6f29a6698259398a8b
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 | ckeditor5-minimap | * (affected) | — |
Aliases
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