Which versions of @voiceflow/fetch are malicious?

The following npm versions of @voiceflow/fetch are flagged malicious: 1.11.1, 1.11.2. Treat any of these as compromised.

How do I remediate @voiceflow/fetch if I installed it?

@voiceflow/fetch is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

I already installed @voiceflow/fetch — how do I know if it already compromised me?

If @voiceflow/fetch 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 @voiceflow/fetch part of a known attack campaign?

Yes — @voiceflow/fetch is associated with the GHSA-h72r-3grf-6mvr 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 @voiceflow/fetch across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for @voiceflow/fetch (2 malicious versions).

Part of a larger attack: @voiceflow published 57 malicious packages. See the full campaign →

Malicious package

@voiceflow/fetchnpm

Advisory published Nov 25, 2025Updated Dec 1, 2025

@voiceflow/fetch is a confirmed malicious npm package (MAL-2025-191348) that steals credentials and exfiltrates sensitive data (malicious versions 1.11.1, 1.11.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @voiceflow/fetch (npm)

MAL-2025-191348

Immediate action

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

npm uninstall @voiceflow/fetch

What this malware does

The package @voiceflow/fetch was found to contain malicious code.

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.

This package was compromised by the Sha1-Hulud: The Second Coming NPM worm. The malicious payload steals tokens and credentials and publishes them to GitHub. The worm will propogate itself to NPM packages the user owns and establish persistence is a GitHub action. The package may also destroy the user's home directory.

Malicious versions

2 flagged

1.11.11.11.2

Indicators of compromise (SHA-256)

e27a08b999eb855dc2ca22d27a57174fa9108c62c7b98195baa473e1caaf5309

18354d00f52198c519ac2adf8360486ea1817d9cd1e577fe147eaff0d7633f50

ae935a1a5c4c3792b0a6e51cfeca10ee5d11192e0928bf28ac3fd58ce89c24b7

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for @voiceflow/fetch (2 malicious versions).
If you installed it — respond
@voiceflow/fetch is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If @voiceflow/fetch 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. @voiceflow/fetch on npm has been identified as a malicious package (versions 1.11.1, 1.11.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-h72r-3grf-6mvr

References

Credits

Amazon Inspector · finder

Detect & block this

O3 blocks @voiceflow/fetch-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database