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Malicious package

@sourceflow-uk/sourceflow-trackernpm

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

MAL-2026-5430
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @sourceflow-uk/sourceflow-tracker

What this malware does

package.json declares a dependency ltidisafe whose version specifier is the raw URL https://storage.googleapis.com/lscunpentest/pack_ux_foundry.tgz — a tarball hosted on a generic Google Cloud Storage bucket unrelated to the package's nominal publisher (@sourceflow-uk). On npm install, npm fetches and installs that tarball as a transitive dependency, executing any lifecycle scripts (preinstall/install/postinstall) it contains on the installer's machine. The URL is not version-pinned, not hash-verified, and not under the publisher's control: the bucket owner can swap the tarball contents at any time, so a future install delivers different bytes than a present install with no package change. The wrapper package itself is hollow — index.js only runs console.log("hello from lslslslslss"), the description is the garbled string lspodcc, the author is lslsls, and the version is 99.91.9. These attributes are inconsistent with the advertised "sourceflow tracker" functionality and consistent with a throwaway lure whose sole purpose is to chain-load the third-party tarball into the installer's dependency tree.

Malicious versions

1 flagged
99.91.9

Indicators of compromise (SHA-256)

056586762b747716eb425caabeec72f83665eae6c88d6320a927b705f4867ad4
c5bcccc37c380ce54f5bfc2bc2311fbefb6ebc3400a397cbc4afc2188fb3c11d

Frequently asked questions

No. @sourceflow-uk/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-2026-005016IN-MAL-2026-005015

References

Credits

  • Amazon Inspector · finder

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Supply-chain protection
@sourceflow-uk/sourceflow-tracker (npm) malicious package — MAL-2026-5430 | O3 Security