# MAL-2026-14294: Malicious code in mc-registry (npm)


- **Type:** Malicious package
- **Package:** `mc-registry` (npm)
- **Published:** 19 Aug 2026
- **Also known as:** GHSA-73h8-3qpw-h3wv

## What is MAL-2026-14294?

MAL-2026-14294 is a malicious package in mc-registry, published on 19 Aug 2026. 

### Official description

Package publishes as `mc-registry` with description 'Theta chain registry', but its README, badges, homepage layout, and package listing copy the legitimate hyperweb-io/chain-registry npm package. The README instructs users to `npm install theta-registry` and `import { assets, chains, ibc } from 'theta-registry'`, while the shipped name is `mc-registry` and the shipped API diverges from chain-registry by re-exporting `HttpProvider` from an unrelated third-party dependency `chain-analyze` (`^1.0.4`). The ESM entry `esm/index.js` performs `import { HttpProvider } from 'chain-analyze';` at top level, so any consumer that does `import 'mc-registry'` loads and executes `chain-analyze` code in the installer/consumer process. `chain-analyze` is not part of the chain-registry ecosystem and has no relationship to the advertised 'chain registry' data purpose. The internal accessor is named `loadPartnerVaultHttpProvider`, further indicating the module funnels callers into an unvetted HTTP provider from the injected dependency. Files `esm/mainnet/persistence/chain.js` and `mainnet/persistence/chain.js` contain `ping`/`POST` network patterns co-located with chain persistence logic.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

## What should I do about MAL-2026-14294?

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-2026-14294 is a malicious package: mc-registry (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-2026-14294/ (Markdown: https://insights.sbomify.com/MAL-2026-14294/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2026-14294

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From sbomify Insights: https://insights.sbomify.com/MAL-2026-14294/
Summaries are generated and may contain mistakes; the official description above is the record.