MalwarePublished 19 Oct 2026Updated 29 Oct 2026

nsdhjuiwqxmhsf1 (npm) · Malicious Code

Affects nsdhjuiwqxmhsf1Source GCVE Database

Malicious package : remove nsdhjuiwqxmhsf1 and rotate any secrets on hosts that installed it.

Data as of 29 Oct 2026, 18:22 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-17938

What to do

Remove nsdhjuiwqxmhsf1 from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

Product	Affected	Fixed in
npmnsdhjuiwqxmhsf1	Affected =1.0.0	Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

The npm package 'nsdhjuiwqxmhsf1' version 1.0.0 is identified as malicious. It contains no executable JavaScript or TypeScript source code and no lifecycle hooks that run on installation. Instead, it serves an obfuscated HTML file mimicking Cloudflare Turnstile branding, likely intended for browser-based impersonation rather than direct code execution on developers' machines. Despite this, security sources warn that any system with this package installed should be considered fully compromised, recommending immediate secret and key rotation and package removal.

Impact

Systems with this package installed are considered fully compromised, implying potential unauthorized access and control. All secrets and keys stored on affected systems should be rotated immediately from a different, secure machine. Removing the package alone may not eliminate all malicious software or backdoors introduced by the package.

Defensive guidance

Remove the 'nsdhjuiwqxmhsf1' package immediately from all affected systems. Rotate all secrets and keys stored on compromised machines from a separate, secure device. Due to the potential full compromise, further forensic analysis and remediation may be necessary.

Summary

The 'nsdhjuiwqxmhsf1' npm package (version 1.0.0) is a malicious package that does not execute code during installation or require but instead hosts an obfuscated HTML file designed to impersonate Cloudflare Turnstile in browsers. The package's structure suggests it is used as a static hosting or CDN channel to serve malicious content to browser visitors rather than to directly attack developers installing the package. However, security advisories indicate that any computer with this package installed or running is considered fully compromised, with potential unauthorized control and compromise of secrets and keys.

References

Community reviews

Loading reviews…

What to do

Affected software

Description

AI analysisMachine-generated, updated 29 Oct 2026, 18:22 UTC

Technical details

References

Community reviews