Which versions of carousel-controller-mixin are malicious?

The following npm versions of carousel-controller-mixin are flagged malicious: 999.0.0. Treat any of these as compromised.

How do I remediate carousel-controller-mixin if I installed it?

Remove carousel-controller-mixin 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 network activity or persistence. Use O3 Security's dependency scanner to confirm the package and its artifacts are fully purged across your stack.

Is carousel-controller-mixin part of a known attack campaign?

Yes — carousel-controller-mixin is associated with the IN-MAL-2026-006741 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

Can O3 Security detect carousel-controller-mixin in my codebase?

Yes. O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, blocking carousel-controller-mixin and packages like it before any post-install script runs.

Malicious package

carousel-controller-mixinnpm

Malicious code in carousel-controller-mixin (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-5856

Immediate action

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

npm uninstall carousel-controller-mixin

What this malware does

package.json declares both preinstall and postinstall hooks that execute callback.js on every install. callback.js collects username, uid, hostname, cwd, homedir, local and external IPs (via https.get to api.ipify.org) and probes for CI/cloud credential environment variables (AWS_ACCESS_KEY_ID, GITHUB_TOKEN, NPM_TOKEN, DOCKER_PASSWORD) along with GITHUB_REPOSITORY/GITHUB_ACTOR/BUILD_NUMBER context. The collected data is POSTed to a hardcoded Discord webhook (discord.com/api/webhooks/1516163806559076442/<redacted>) and additionally exfiltrated through a DNS side-channel: base64-encoded host data is prepended as a subdomain and resolved via dns.resolve() to defeat egress HTTP filtering on CI networks. Self-labeled as a dependency-confusion PoC, the version number 999.0.0 is the canonical floating-version bait used to win internal-name resolution. Harmful to any installer regardless of the 'research' framing.

Malicious versions

1 flagged

999.0.0

Indicators of compromise (SHA-256)

c1a4b1be297682ca77d8a92fc502887ee6d718a5541fa88413acdc6accb3ed97

Frequently asked questions

No. carousel-controller-mixin on npm has been identified as a malicious package (version 999.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-006741

References

npmjs.com

Credits

Amazon Inspector · finder

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