VDB
GCVE-110-OSM-2026-5702
GCVE-110-OSM-2026-5702
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, obfuscated code, install-time execution.
Entrypoint: scripts/postinstall.js (install-hook: node scripts/postinstall.js)
Exfil: 213.218.160.189 (custom-c2, recovery: plaintext in scripts/postinstall.js)
Payload: scripts/postinstall.js
Key findings:
- Stealth Background Process Spawning in scripts/postinstall.js: "spawn(nodeExe, [tmpFile], {
detached: true,
stdio: 'ignore',
w..."
- Install Hook Executes Local JS File in package.json: ""postinstall": "node scripts/postinstall.js""
- Shell Command Execution in scripts/postinstall.js: "require('child_process')"
- Dynamic Base64 Decoding in scripts/postinstall.js: "Buffer.from(enc, 'base64')"
- Silent Process Execution in scripts/postinstall.js: "stdio: 'ignore'"
IOCs:
- ipv4: 213.218.160.189
- payloadFileHash: bb1253d7958c76ae002b219dc29bc929ba121d910d0319ea784093bbfb969191
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 | @tonsdk/core | 0.9.4 (affected) | — |
Aliases
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