GCVE-110-OSM-2026-1891

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published April 9, 2026

DPRK-attributed npm package from Contagious Interview / Lazarus Group campaign. Package identified in kmsec.uk DPRK research database (verdict: malicious, dprk). osmalyze static analysis confirms malicious behavior: 0 critical + 3 high findings across rules: has-install-scripts,missing-description,new-npm-account-week,new-package,no-repository,npm-install-script-runs-js,npm-postinstall-script,shell-execution,single-version. Payload file: index.js. === DPRK ATTRIBUTION === Source: kmsec.uk DPRK Research Database (https://dprk-research.kmsec.uk/) Verdict: malicious, dprk First released: 2026-04-09 === OSMALYZE SCAN === Severity: 0 CRITICAL, 3 HIGH Payload file: index.js Rules triggered: has-install-scripts,missing-description,new-npm-account-week,new-package,no-repository,npm-install-script-runs-js,npm-postinstall-script,shell-execution,single-version === IOCS === From kmsec DB: none From scan URLs: none From scan domains: none Payload SHA256: a8e1459828485a48cba1d375c75e08f4d2f37374a3dc3016cba98b823c8ab65e

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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	sjs-builder	all (affected)	—

References

Malicious npm package: sjs-builder

advisory

vendor

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