MAL-2026-5745 Malicious code in oa-crm-webapi (npm)
Malicious package
Published
MAL-2026-5745 is a malicious package: oa-crm-webapi (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-2026-5745/ (Markdown: https://insights.sbomify.com/MAL-2026-5745/index.md)
- Package
- oa-crm-webapi
- Registry
- npm
What is MAL-2026-5745?
MAL-2026-5745 is a malicious package in oa-crm-webapi, published on 13 Jun 2026.
Official description
[email protected] is a dependency-confusion payload squatting an internal-sounding package name. package.json declares a postinstall hook (
node beacon.js) which fires automatically on npm install. beacon.js reads os.hostname() and transmits it to the attacker-controlled Burp Collaborator host yfhjhookbia8zov0q5hh772xroxfl69v.oastify.com via two channels: a DNS lookup of <nonce>.<hostname>.<collaborator-host> (out-of-band DNS exfil) and an HTTPS POST to the same host with the hostname in the body. The 9.9.99 version + generic 'internal placeholder' description is the canonical shape used to hijack private package names by overriding the legitimate internal registry resolution. A successful install both proves code execution on the installer and leaks the internal hostname to an external attacker.What should I do about MAL-2026-5745?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.