VDB
GCVE-110-OSM-2026-7659
GCVE-110-OSM-2026-7659
Advisory PublishedCVSS 8.8/10
Malicious package detected. Behaviors: data exfiltration, install-time execution.
ENTRY
callback.js (install-hook: node callback.js preinstall)
- Install Hook Executes Local JS File in package.json
- Postinstall Script in package.json
EXFIL
- Data Encoding for Exfiltration in callback.js: "Buffer.from(s).toString('base64')"
- System Information Collection in callback.js: "os.userInfo()"
- DNS Lookup in callback.js: "dns.lookup("
ADDITIONAL FINDINGS
- Brand New Package
PAYLOAD FILES
callback.js
INDICATORS (IOCs)
- urls: https://accountportal.meg-eu.accessoticketing.com/polyfills-HCXKRFJI.js.map`
- domains: 4li9yfz7.instances.httpworkbench.com, accountportal.meg-eu.accessoticketing.com, pay-cdn.na2.accessoticketing.com
- payloadFileHash: 5861f7d31fe175bddba0e5f4d21339ba2af45bbf65502dd4c02aef5f613602a8
Weaknesses (CWE)
CWE-506Embedded Malicious Code
Risk Scores
CVSS 3.1
8.8/10
High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| unknown | guest-app-ui | all (affected) | — |
Aliases
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