GCVE-110-OSM-2026-3380

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published April 29, 2026

Bug bounty dependency confusion attempt. Package exfiltrates basic system information (hostname, IP, DNS) to security research infrastructure. Behaviors: data exfiltration, code execution, network activity, install-time execution. Payload: exploit.js Key findings: - OAST/Interactsh Exfiltration in exploit.js: ".oast.fun" - Shell Command Execution in exploit.js: "require('child_process')" - Install Hook Executes Local JS File in package.json: ""preinstall": "node exploit.js"" - Brand New Package - Rapid Version Publishing IOCs: - domains: sfhvelrqpjcwioiacxmeq251arg2ddfyc.oast.fun - payloadFileHash: 6e0c654a220e390a8506b717b057a9c83c4c6894414b36ae516cab6dff031ebd

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

5.4/10

Medium · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Affected Products

Vendor	Product	Versions	Platforms
unknown	accesso-angular-cache-buster	all (affected)	—

References

Malicious npm package: accesso-angular-cache-buster

advisory

vendor

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