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Malicious package

sourceflow-trackernpm

Malicious code in sourceflow-tracker (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-5166
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall sourceflow-tracker

What this malware does

package.json declares a dependency ltidisafe resolved directly from a raw tarball URL on a generic Google Cloud Storage bucket (https://storage.googleapis.com/lscunpentest/pack_ux_foundry.tgz). The tarball is unversioned, carries no integrity hash, and is hosted on infrastructure unrelated to any documented publisher; the bucket owner can replace its bytes at any time without changing the URL. On npm install, npm fetches and installs this tarball transitively and runs any lifecycle scripts it ships. The visible package itself is a stub: index.js only contains console.log("hello from lslslslslss"), package metadata is placeholder gibberish (description lspodcc, author lslsls), and the version is set to 99.91.9 — a pattern consistent with dependency-confusion attempts to outrank a legitimate internal package of the same name. The package's only practical effect when installed is to drop attacker-mutable code into the consumer's install graph.

The OpenSSF Package Analysis project identified 'sourceflow-tracker' @ 99.91.9 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged
99.91.9

Indicators of compromise (SHA-256)

1699207dcb748d9894d27585d5e49f48e906eae167d75434c15cd15f1aeb5502
0c32024f2d571ac850d0e9a7240951137c14d1f1529ab3e0f782ff677a5625ea
4590a6ebf9922235f803ec6400b9b804d3f1ea2704c8a2041855fcfd552f1737

Frequently asked questions

No. sourceflow-tracker on npm has been identified as a malicious package (version 99.91.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-005013IN-MAL-2026-005014

References

Credits

  • Amazon Inspector · finder
  • OpenSSF: Package Analysis · finder

Scan your dependencies

O3 Security blocks malicious packages like this at install time and in CI.

Supply-chain protection
sourceflow-tracker (npm) malicious package — MAL-2026-5166 | O3 Security