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Malicious package

pxpure8npm

Advisory published Updated

pxpure8 is a confirmed malicious npm package (MAL-2026-10105) that executes malicious code on install (malicious version 1.0.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in pxpure8 (npm)

MAL-2026-10105
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall pxpure8

What this malware does

The package's main entry (pure.js) consists of a single behavior: it creates a <script> element pointing at https://cdn.jsdelivr.net/npm/px8my/px.js (no version pin) and appends it to document.head. When the module is required/imported in any browser-like environment (browser bundling, jsdom, Electron renderer), this causes arbitrary JavaScript from the unrelated px8my npm package — at whatever version its owner most recently published — to execute in the host page context. The destination is a different publisher's package, the version is unpinned (so the executed bytes are author-mutable at any time by a third party), and there is no documented purpose for this loader behavior. Package metadata reinforces the loader/lure shape: empty author, empty description, no repository, default test script — a throwaway package whose only function is to pull in remote third-party code. An installer that bundles or loads pxpure8 ends up shipping whatever px8my publishes, including any future malicious version, into their own application's execution context.

Malicious versions

1 flagged
1.0.2

Indicators of compromise (SHA-256)

a40ae433e9fa90bfbb449d343c281375329a44c0dacf080a91a0c1717579b679

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for pxpure8 (version 1.0.2).

  2. If you installed it — respond

    Remove pxpure8 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 pxpure8 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. pxpure8 on npm has been identified as a malicious package (version 1.0.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-009600

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks pxpure8-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

pxpure8 (npm) malicious package — MAL-2026-10105 | O3 Security