VDB
GCVE-110-OSM-2026-7498
GCVE-110-OSM-2026-7498
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, obfuscated code, install-time execution.
ENTRY
prepinstall.js (install-hook: node ./prepinstall.js)
- Install Hook Executes Local JS File in package.json
DESTINATION
- custom-c2: https://api.jsonbin.io/v3/b/689dcd6043b1c97be91e2636 (primary, decoded) in prepinstall.js
- custom-c2: api.jsonbin.io (decoded) in prepinstall.js
EXFIL
- Network Request in prepinstall.js: "axios.get("
OBFUSCATION
- Decoded Base64 Content in prepinstall.js
- Dynamic Base64 Decoding in prepinstall.js: "atob(HASH_KEY)"
- Deobfuscation Failed in prepinstall.js
- recovered 1 urls, 1 domains from decoded/deobfuscated content
ADDITIONAL FINDINGS
- Shell Command Execution in prepinstall.js: "require('child_process')"
- Detached Child Process Payload in prepinstall.js: "spawn('node', [], { detached: true"
PAYLOAD FILES
prepinstall.js
INDICATORS (IOCs)
- urls: http://unlicense.org/, https://val.codejam.info/
- domains: unlicense.org, val.codejam.info
- payloadFileHash: 4e29679b95b2b395230e1837a127e3486435b425fc9a43c7503d4229490a7c34
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 | crypto-promiser | 1.0.2 (affected) | — |
Aliases
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