VDB
GCVE-110-OSM-2026-4721
GCVE-110-OSM-2026-4721
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, install-time execution.
Entrypoint: poc.js (install-hook: node poc.js || true)
Payload: poc.js
Key findings:
- Environment Variable Exfiltration in poc.js: "process.env.npm_config_user_agent || ""
});
const req = https.request"
- OAST/Interactsh Exfiltration in poc.js: ".oast.pro"
- Install Hook Executes Local JS File in package.json: ""preinstall": "node poc.js || true""
- Shell Command Execution in poc.js: "require("child_process")"
- HTTP Data Exfiltration in poc.js: "process.cwd(),
argv: process.argv,
npm_ua: process.env.npm_config_user_agent..."
IOCs:
- domains: d8acb4hon5btn99s9lsgakhs31dmwk9cr.oast.pro
- payloadFileHash: a55ec60cc173499dd4de878b51a274f59f9fe7622f4a969aaa83fd6c063df4ff
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
9.6/10
Critical · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | xarc-webpack-cli | all (affected) | — |
Aliases
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