VDB
GCVE-110-OSM-2026-5867
GCVE-110-OSM-2026-5867
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, install-time execution.
Entrypoint: postinstall.js (install-hook: node postinstall.js)
Payload: postinstall.js
Key findings:
- OAST/Interactsh Exfiltration in postinstall.js: "webhook.site"
- Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js""
- Shell Command Execution in postinstall.js: "require("child_process")"
- Platform Detection with Data Collection in postinstall.js: "JSON.stringify({
event: "npm_pos"
IOCs:
- webhookServices: https://webhook.site/248e64e6-18d1-41db-b2a8-cf034afb7781), https://webhook.site/fceebb0d-9f11-4ac0-98db-6f6b3925f7d3
- payloadFileHash: 4bcb3399c23eef62e35cc40743684d0e306e95b86d61a9e3f87ce929d948b165
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 | @achuthvp/postinstall-poc | all (affected) | — |
Aliases
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