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Malicious package

elf-stats-lanternlit-sled-571npm

Advisory published Updated

elf-stats-lanternlit-sled-571 is a confirmed malicious npm package (MAL-2025-192078) that executes malicious code on install (malicious versions 9998.0.1, 9999.0.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in elf-stats-lanternlit-sled-571 (npm)

MAL-2025-192078
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall elf-stats-lanternlit-sled-571

What this malware does

The package elf-stats-lanternlit-sled-571 was found to contain malicious code.

The OpenSSF Package Analysis project identified 'elf-stats-lanternlit-sled-571' @ 9998.0.1 (npm) as malicious.

It is considered malicious because:

  • The package executes one or more commands associated with malicious behavior.

Malicious versions

2 flagged
9998.0.19999.0.2

Indicators of compromise (SHA-256)

4e819e445ce1152d44db7e34de5f4a1a3af115843d171802409ec55be7dc1ca7
5233cb8079c888ad1bc29ea06f89b219e5832975c3d089440def36109bf895c0
881b5e23cb62a9a7059d5c2239ef969fba0ea3c202fd8b59bf2aba3ccfec0729

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for elf-stats-lanternlit-sled-571 (2 malicious versions).

  2. If you installed it — respond

    Remove elf-stats-lanternlit-sled-571 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 elf-stats-lanternlit-sled-571 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. elf-stats-lanternlit-sled-571 on npm has been identified as a malicious package (versions 9998.0.1, 9999.0.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

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

Detect & block this

O3 blocks elf-stats-lanternlit-sled-571-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

elf-stats-lanternlit-sled-571 (npm) malicious package — MAL-2025-192078 | O3 Security