VDB
GCVE-110-OSM-2026-5827
GCVE-110-OSM-2026-5827
Advisory PublishedCVSS 8.8/10
Malicious package detected. Behaviors: data exfiltration, code execution, network activity, install-time execution.
Entrypoint: postinstall.js (install-hook: node postinstall.js)
Exfil: http://154.57.164.71:31289 (custom-c2, recovery: plaintext in postinstall.js)
Payload: postinstall.js
Key findings:
- Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js""
- Shell Command Execution in postinstall.js: "require("child_process")"
- Very New NPM Publisher Account
IOCs:
- ipv4: 154.57.164.71
- urls: http://154.57.164.71:31289
- payloadFileHash: d9cf0780b557d1a1b732711d61d552e6e8ba904ccdcc06cb02faec7ecf11eb3f
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
8.8/10
High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | ecto-spectral-leak-8d4e2 | all (affected) | — |
Aliases
Explore Further
Investigate this vulnerability in the interactive console or download the raw GCVE record.