npm

@uwr/colors @1.3.6

Vulnerability report · Last retrieved from osv.dev July 11, 2026 at 5:36 AM UTC

Malicious

OSV ID

MAL-2026-10179

Ecosystem

npm

Summary

The package's postinstall script reads the installer's machine hostname via os.hostname() and performs a DNS lookup of <hostname>.0ab1mctv5xigbskwtfusp77dj4pvdx1m.oastify.com , leaking the hostname to a Burp Suite Collaborator subdomain at npm install time without consent. oastify.com is the Burp Collaborator service, commonly used by attackers as an out-of-band data-exfiltration channel. The package's advertised functionality is a trivial 5-entry frozen color constants map under the unscoped-looking @uwr scope ("colors for the unified workflow runtime") with an empty author field, consistent with a dependency-confusion / reconnaissance probe staged against an internal namespace rather than a legitimate library.

Source: amazon-inspector (91240d8fb55b7ed4730a41f3a334c633bf1a03afb649fd473cad0c0a25312847)

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