nuvyra-marketplace-sdknpm
Advisory published Updated
nuvyra-marketplace-sdk is a confirmed malicious npm package (MAL-2026-15569) that executes malicious code on install (malicious versions 1.0.2, 1.0.3, 1.0.4…). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in nuvyra-marketplace-sdk (npm)
What this malware does
dist/client.js executes initializeProvider() at module top level, so the code runs whenever a consumer require()s or imports this SDK. The function reconstructs a dependency specifier at runtime via ["ht","ps","-","pro","vider"].join("").replace("ps","ps-") — an obfuscation that resolves to a package named https-provider — rather than referencing it as a plain string. Before performing the dynamic import(), the loader checks environment signals (CI, USER, NODE_ENV=test) and returns without loading when those indicate a sandbox or automated-analysis environment; on a real host it awaits import(pkg), instantiates the imported default export via new HttpProvider(), and prints a fabricated "Server is running successfully!" line as cover. The package.json declares this dependency under a different name (http-provider ^1.0.11), so the on-disk manifest does not surface the actual specifier loaded at runtime. The runtime specifier reconstruction, the analyzer-evasion gate, the cover-story log, and the discrepancy between the declared and imported package name together form an installer-targeting loader whose actual payload lives in the loaded sub-dependency and runs on any consumer import.
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.
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Malicious packageFind it
Search your lockfiles and build artifacts for nuvyra-marketplace-sdk (11 malicious versions).
If you installed it — respond
Remove nuvyra-marketplace-sdk from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.
Did it already run?
If nuvyra-marketplace-sdk was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.
Frequently asked questions
Campaign
References
Credits
- Amazon Inspector · finder
Detect & block this
O3 blocks nuvyra-marketplace-sdk-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.