# MAL-2026-12426: Malicious code in relativity-foundation-core (npm)


- **Type:** Malicious package
- **Package:** `relativity-foundation-core` (npm)
- **Published:** 5 Aug 2026

## What is MAL-2026-12426?

MAL-2026-12426 is a malicious package in relativity-foundation-core, published on 5 Aug 2026. 

### Official description

package.json declares a preinstall script that runs a Node one-liner collecting os.hostname(), process.env.USER/USERNAME, cwd, npm_config_registry, CI, GITHUB_REPOSITORY, JENKINS_URL, and platform, base64-encodes the JSON blob, and issues an HTTPS GET to https://aiwi9di43fzbjwncfrimdvkgu701orcg.oastify.com/?d=<base64> on every `npm install`. index.js is empty, so the package's only effect is this reconnaissance beacon. The oastify.com destination is a Burp Collaborator subdomain used as an attacker-controlled out-of-band exfiltration sink.

## What should I do about MAL-2026-12426?

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-2026-12426 is a malicious package: relativity-foundation-core (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-2026-12426/ (Markdown: https://insights.sbomify.com/MAL-2026-12426/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2026-12426

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From sbomify Insights: https://insights.sbomify.com/MAL-2026-12426/
Summaries are generated and may contain mistakes; the official description above is the record.