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Malicious package

@pinecone-experience/messagesnpm

Advisory published Updated

@pinecone-experience/messages is a confirmed malicious npm package (MAL-2026-17631) that executes malicious code on install (malicious version 99.9.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @pinecone-experience/messages (npm)

MAL-2026-17631
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @pinecone-experience/messages

What this malware does

package.json declares its sole dependency ltidisafe as a bare HTTPS tarball URL (https://ltidi.storage.googleapis.com/depenconf/ltidisafe-3.8.3.tgz) hosted on a third-party Google Cloud Storage bucket rather than a registry version range. On npm install, npm fetches that URL and installs whatever bytes it returns, executing any lifecycle scripts inside the fetched tarball on the installer's host with no version pin, no hash, and no integrity check — whoever controls that bucket controls code executed at install time. The shipped index.js is an empty stub (module.exports = {}), so the package's only effect is to pull in the off-registry archive. The package is published under the @pinecone-experience scope at version 99.9.1 — an implausibly high version under a vendor-looking scope, matching the dependency-confusion shape where a high version is used to win resolution against an internal package of the same name.

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

1 flagged
99.9.1

Indicators of compromise (SHA-256)

078ce187b38122a7eff5def33454871232cdd38bde7d35e7ee1968d0e98cd45c
66733fd234a91b8e10cbaa9c3b44d395b2b2931a624f06d2bbc7eca815ce0deb

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for @pinecone-experience/messages (version 99.9.1).

  2. If you installed it — respond

    Remove @pinecone-experience/messages 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 @pinecone-experience/messages 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. @pinecone-experience/messages on npm has been identified as a malicious package (version 99.9.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-021089GHSA-r9p9-pfmv-rc77

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @pinecone-experience/messages-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

@pinecone-experience/messages (npm) malicious package — MAL-2026-17631 | O3 Security