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Malicious package

libxmlfinal5npm

Malicious code in libxmlfinal5 (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-192454
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall libxmlfinal5

What this malware does

The package libxmlfinal5 was found to contain malicious code.

Malicious versions

all versions

Every published version of this package is considered malicious — remove it entirely.

Indicators of compromise (SHA-256)

e75640235a927670445888fa0c679048cdc7ebe626bc9e046817570b83669cc3

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for libxmlfinal5 (all published versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging libxmlfinal5 across your stack and pipelines.

  2. If you installed it — respond

    Remove libxmlfinal5 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 libxmlfinal5 was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks libxmlfinal5 before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. libxmlfinal5 on npm has been identified as a malicious package (all published versions flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks libxmlfinal5-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.

libxmlfinal5 (npm) malicious package — MAL-2025-192454 | O3 Security