GCVE-110-OSM-2026-9321

Advisory PublishedCVSS 9.6/10

Vulnetix · Advisory published July 26, 2026

The entrypoint index.js contains the literal string 'Malicious internal package is running...' — the author self-identified the package as malicious. Combined with the publisher 'sleeptuna' already having a confirmed high-severity malicious package (cbr-internal-utils, OSM threat 35f36644), a publisherMaliciousRatio of 0.5, and a minimal-metadata burner profile (no description, no repo, single version, published and created at the same timestamp), this is a deliberate malicious publication. The attacker model is consistent with a staged supply-chain campaign using internal-namespace typosquats (cbr-internal-core, cbr-internal-utils, cbr-intn-core) targeting organizations using 'cbr' internal packages. ENTRY index.js (main: index.js) ADDITIONAL FINDINGS - Publisher Has Other Malicious Packages

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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	cbr-intn-core	all (affected)	—

References

Malicious npm package: cbr-intn-core

advisory

vendor

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