Which versions of @nextco/utils are malicious?

The following npm versions of @nextco/utils are flagged malicious: 5.0.0. Treat any of these as compromised.

How do I remediate @nextco/utils if I installed it?

@nextco/utils 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 @nextco/utils — how do I know if it already compromised me?

If @nextco/utils 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 @nextco/utils part of a known attack campaign?

Yes — @nextco/utils is associated with the IN-MAL-2026-014893 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 @nextco/utils across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for @nextco/utils (version 5.0.0).

Malicious package

@nextco/utilsnpm

Advisory published Aug 5, 2026Updated Aug 5, 2026

@nextco/utils is a confirmed malicious npm package (MAL-2026-12325) that steals credentials and exfiltrates sensitive data (malicious version 5.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @nextco/utils (npm)

MAL-2026-12325

Immediate action

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

npm uninstall @nextco/utils

What this malware does

On require(), index.js unconditionally calls a telemetry() function at module top level that collects host reconnaissance (hostname, username, __dirname, cwd, OS/arch, Node version) and the list of environment variable names, base64-encodes the payload, and POSTs it over plain HTTP to the hardcoded host attacker.cl. The destination is not associated with the package's stated publisher (@nextco/utils / nextco.me) and the caller has no opt-out. The behavior fires simply by loading the module, giving an attacker installer host identifiers and an env-var name inventory usable to target follow-on credential theft.

Malicious versions

1 flagged

5.0.0

Indicators of compromise (SHA-256)

2af3efee911b20157dcf0e84f2be91affddf4e34aac298e1959ea7090f08c4d2

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for @nextco/utils (version 5.0.0).
If you installed it — respond
@nextco/utils 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 @nextco/utils 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. @nextco/utils on npm has been identified as a malicious package (version 5.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-014893

References

npmjs.com

Credits

Amazon Inspector · finder

Detect & block this

O3 blocks @nextco/utils-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

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