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Malicious package

editorial-mse-authentication-uinpm

Malicious code in editorial-mse-authentication-ui (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-4831
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall editorial-mse-authentication-ui

What this malware does

The OpenSSF Package Analysis project identified 'editorial-mse-authentication-ui' @ 99.0.1 (npm) as malicious.

It is considered malicious because:

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

Malicious versions

1 flagged
99.0.1

Indicators of compromise (SHA-256)

a97fd474e8661c575287f7cc9fddd0ee1ac95240c13653555ca2b416e895b99a

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 editorial-mse-authentication-ui (version 99.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging editorial-mse-authentication-ui across your stack and pipelines.

  2. If you installed it — respond

    Remove editorial-mse-authentication-ui 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 editorial-mse-authentication-ui 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 editorial-mse-authentication-ui 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. editorial-mse-authentication-ui on npm has been identified as a malicious package (version 99.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks editorial-mse-authentication-ui-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.

editorial-mse-authentication-ui (npm) malicious package — MAL-2026-4831 | O3 Security