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Malicious package

@zuora-marketing/lintingnpm

Advisory published Updated

@zuora-marketing/linting is a confirmed malicious npm package (MAL-2026-168) that executes malicious code on install (malicious versions 5.1.0, 6.1.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @zuora-marketing/linting (npm)

MAL-2026-168
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @zuora-marketing/linting

What this malware does

The package @zuora-marketing/linting was found to contain malicious code.

The OpenSSF Package Analysis project identified '@zuora-marketing/linting' @ 5.1.0 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

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

Malicious versions

2 flagged
5.1.06.1.1

Indicators of compromise (SHA-256)

02e59dfc0bb58f27949258caefffd5c13d5c3af111b8c069edf5ea6e0e985f22
6ac2fac151a4dc27d6767c679c92664cbd80bdd566ae85b259a46155e73596f3
ddcfd1151af868e694a4a79307ce1284331ad88b8ff631651f3fd2c47fbf342a

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for @zuora-marketing/linting (2 malicious versions).

  2. If you installed it — respond

    Remove @zuora-marketing/linting 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 @zuora-marketing/linting 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. @zuora-marketing/linting on npm has been identified as a malicious package (versions 5.1.0, 6.1.1 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 @zuora-marketing/linting-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

@zuora-marketing/linting (npm) malicious package — MAL-2026-168 | O3 Security