GCVE-110-OSM-2026-4300

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published May 18, 2026

[osmalyze-auto] 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. [osmalyze-auto] Entrypoint: postinstall.js (install-hook: node postinstall.js) Payload: postinstall.js Key findings: - OAST/Interactsh Exfiltration in postinstall.js: "oastify.com" - Install Hook Executes Local JS File in package.json: ""postinstall": "node postinstall.js"" - Shell Command Execution in postinstall.js: "require('child_process')" - Git Configuration Access in postinstall.js: "git config --global user.email" - Publisher Has Other Malicious Packages IOCs: - payloadFileHash: b10e398fc5d0de4a06764dc583cbcb3a20b1452ad793d332c3138ce23c4d3d41

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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	customerdigital-ui-containers-lib	all (affected)	—

References

Malicious npm package: customerdigital-ui-containers-lib

advisory

vendor

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