# MAL-2025-6025 - Malicious code in napi-postinstall (npm)

Source: https://junglewise.ai/threats/malicious-code-in-napi-postinstall-npm-dce800bf  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-07-21  
License: CC BY 4.0 with a link back

Severity: critical · Published 2025-07-21

Malicious code in napi-postinstall (npm)

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Critical severity, published 21 July 2025.

**Which products and versions are affected?** Napi-Postinstall. The advisory does not name versions.

**Is there a fix for This vulnerability?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected?** Check whether you run Napi-Postinstall. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Napi-Postinstall

## Related threats

- [eslint-config-prettier, eslint-plugin-prettier, synckit, @pkgr/core, napi-postinstall have embedded malicious code](https://junglewise.ai/threats/cve-2025-54313-prettier-eslint-config-prettier-embedded-malicious-code)