MAL-2026-18642: Malicious code in @adminide-stack/user-activity-browser (npm)

Published Nov 4, 2026
·
Updated

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Source: ghsa-malware (fbb9b2ba8ffb0896aa285d4529591fddeb3c430a82f7dd72f0bd95764dcea64a) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Affected Software

1 affected component
npm/@adminide-stack/user-activity-browser=1.1.3-alpha.114, =0.0.16-129

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Remove

    Remove @adminide-stack/user-activity-browser from your environment.

    Remove the malicious package.

  2. Operational

    Rotate all secrets and keys stored on any computer that had the package installed or running, immediately and from a different computer.

Event History

Nov 4, 2026
Advisory Published
via OSV·07:44 PM
Data Sourced
via OSV·07:44 PM
DescriptionAffected Software

Frequently Asked Questions

1

Who should treat this as an active compromise?

Any computer where this package is installed or has run should be considered fully compromised, not only systems where it is currently present.

2

What should be done immediately?

Rotate all secrets and keys stored on the affected computer immediately, using a different computer to perform the rotation.

3

Is removing the package sufficient to remediate the issue?

No. The package should be removed, but removal does not guarantee that other malicious software or attacker access resulting from its installation has been removed.

Contact

SecAlerts Pty Ltd.
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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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