Which versions of codewhisperer-streaming are malicious?

The following npm versions of codewhisperer-streaming are flagged malicious: 1.0.15. Treat any of these as compromised.

How do I remediate codewhisperer-streaming if I installed it?

Remove codewhisperer-streaming 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 codewhisperer-streaming — how do I know if it already compromised me?

If codewhisperer-streaming 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.

How do I find codewhisperer-streaming across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for codewhisperer-streaming (version 1.0.15).

Malicious package

codewhisperer-streamingnpm

Advisory published May 2, 2026Updated May 12, 2026

codewhisperer-streaming is a confirmed malicious npm package (MAL-2026-3232) that executes malicious code on install (malicious version 1.0.15). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in codewhisperer-streaming (npm)

MAL-2026-3232

Immediate action

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

npm uninstall codewhisperer-streaming

What this malware does

The package codewhisperer-streaming was found to contain malicious code.

The OpenSSF Package Analysis project identified 'codewhisperer-streaming' @ 1.0.15 (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

1 flagged

1.0.15

Indicators of compromise (SHA-256)

a50114d70badd28d78aab48e7afe8b36d51cf71d3a2ae1409d76edfacb123eb6

f51029062b1172921ad99025d73d75bbf937d2d4c3b111ab8a4d09db2ef91caf

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for codewhisperer-streaming (version 1.0.15).
If you installed it — respond
Remove codewhisperer-streaming 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 codewhisperer-streaming 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. codewhisperer-streaming on npm has been identified as a malicious package (version 1.0.15 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 codewhisperer-streaming-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

All malware advisories How O3 detects malware Vulnerability database