MAL-2026-12813 Malicious code in twilio-functions (npm)
Malicious package
Published
MAL-2026-12813 is a malicious package: twilio-functions (npm). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2026-12813/ (Markdown: https://insights.sbomify.com/MAL-2026-12813/index.md)
- Package
- twilio-functions
- Registry
- npm
What is MAL-2026-12813?
MAL-2026-12813 is a malicious package in twilio-functions, published on 5 Aug 2026.
Official description
On npm install, the package's postinstall script executes index.js, which collects host identifiers (os.hostname(), os.userInfo().username, os.homedir(), process.cwd(), os.platform(), os.arch(), and selected environment variables) and POSTs them as JSON to a hardcoded webhook.site collection URL (https://webhook.site/42ce0f0e-a0a0-41b5-b157-1c0f918e064f). On network error, the code falls back to a DNS callback against an interactsh-style subdomain at 2b22ede784d5.oast.fun. Package metadata (name
twilio-functions mimicking the Twilio SDK namespace, version 99.99.99, empty description) is consistent with a typosquat / dependency-confusion lure whose only on-install effect is the outbound reconnaissance beacon.What should I do about MAL-2026-12813?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.