Which versions of insomnia-scripting-environment are malicious?

The following npm versions of insomnia-scripting-environment are flagged malicious: 99.0.0, 99.0.1. Treat any of these as compromised.

How do I remediate insomnia-scripting-environment if I installed it?

Remove insomnia-scripting-environment 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.

I already installed insomnia-scripting-environment — how do I know if it already compromised me?

If insomnia-scripting-environment 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.

Is insomnia-scripting-environment part of a known attack campaign?

Yes — insomnia-scripting-environment is associated with the RLMA-2026-01975 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find insomnia-scripting-environment across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for insomnia-scripting-environment (2 malicious versions).

Malicious package

insomnia-scripting-environmentnpm

Advisory published Apr 16, 2026Updated Apr 23, 2026

insomnia-scripting-environment is a confirmed malicious npm package (MAL-2026-2774) that executes malicious code on install (malicious versions 99.0.0, 99.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in insomnia-scripting-environment (npm)

MAL-2026-2774

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall insomnia-scripting-environment

What this malware does

The package insomnia-scripting-environment was found to contain malicious code.

Malicious versions

2 flagged

99.0.099.0.1

Indicators of compromise (SHA-256)

da106be90cd78f3e1b70b850b6a3329e7992e19d048cddbd20e6255398021200

90158c0646becc6150eb35f91ee1745112800326a31fa588807b0de4ac631b95

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for insomnia-scripting-environment (2 malicious versions).
If you installed it — respond
Remove insomnia-scripting-environment 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.
Did it already run?
If insomnia-scripting-environment 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. insomnia-scripting-environment on npm has been identified as a malicious package (versions 99.0.0, 99.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-01975

Credits

Amazon Inspector · finder
ReversingLabs · finder

Detect & block this

O3 blocks insomnia-scripting-environment-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.

Malware detection Runtime egress monitoring

Explore

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