VDB
GCVE-110-OSM-2026-3157
GCVE-110-OSM-2026-3157
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, code execution, network activity, install-time execution.
Payload: index.js
Key findings:
- OAST/Interactsh Exfiltration in index.js: ".oast.fun"
- Shell Command Execution in index.js: "require('child_process')"
- Data Encoding for Exfiltration in index.js: "encodeURIComponent(key)}=${encodeURIComponent(value"
- Install Hook Executes Local JS File in package.json: ""postinstall": "node index.js""
- Brand New Package
IOCs:
- domains: iqflwqhtuluqyysnswdrmypjslf59ryi0.oast.fun
- payloadFileHash: 53c2f8a9b395bb0a813bc7fe0f1a59dfcb3a08242956508b1e43cb7b1fa37e37
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 | classlink | * (affected) | — |
Aliases
Explore Further
Investigate this vulnerability in the interactive console or download the raw GCVE record.