# MAL-2026-16175: Malicious code in csa-mfa (npm)


- **Type:** Malicious package
- **Package:** `csa-mfa` (npm)
- **Published:** 15 Sep 2026

## What is MAL-2026-16175?

MAL-2026-16175 is a malicious package in csa-mfa, published on 15 Sep 2026. 

### Official description

package.json declares a preinstall script that runs wget against http://169.58.142.14:8080/ with query parameters populated by shell command substitution of whoami, ls, and hostname. On npm install this automatically transmits the installer's username, current-directory listing, and hostname to a hardcoded bare-IP HTTP endpoint unrelated to any legitimate publisher infrastructure. There is no functional package purpose served by this behavior.

The OpenSSF Package Analysis project identified 'csa-mfa' @ 1.1.16 (npm) as malicious.

It is considered malicious because:

- The package executes one or more commands associated with malicious behavior.

## What should I do about MAL-2026-16175?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

## Fix prompt for AI coding agents

```text
MAL-2026-16175 is a malicious package: csa-mfa (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-2026-16175/ (Markdown: https://insights.sbomify.com/MAL-2026-16175/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2026-16175

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From sbomify Insights: https://insights.sbomify.com/MAL-2026-16175/
Summaries are generated and may contain mistakes; the official description above is the record.