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Part of a larger attack: @client-web-next published 22 malicious packages. See the full campaign →
Malicious package

@client-web-next/ab-landing-formnpm

Advisory published Updated

@client-web-next/ab-landing-form is a confirmed malicious npm package (MAL-2026-16493) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @client-web-next/ab-landing-form (npm)

MAL-2026-16493
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @client-web-next/ab-landing-form

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

9cc32bb57c1b1f65250c7d773ba34c7a4798c72324f20659ff5568e597450781

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for @client-web-next/ab-landing-form (version 0.0.1).

  2. If you installed it — respond

    Remove @client-web-next/ab-landing-form 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 @client-web-next/ab-landing-form 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. @client-web-next/ab-landing-form on npm has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-10600

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks @client-web-next/ab-landing-form-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

@client-web-next/ab-landing-form (npm) malicious package — MAL-2026-16493 | O3 Security