MalwarePublished 5 Aug 2026

bnpl-blocks-atom-bnpl-dangerously-html (npm) · Malicious Code

Affects bnpl-blocks-atom-bnpl-dangerously-htmlSource GCVE Database

Malicious package : remove bnpl-blocks-atom-bnpl-dangerously-html and rotate any secrets on hosts that installed it.

Data as of 6 Aug 2026, 19:31 UTC

Classification

Malicious package

Published to npm · OSV MAL-2026-12870

What to do

Remove bnpl-blocks-atom-bnpl-dangerously-html 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
npmbnpl-blocks-atom-bnpl-dangerously-html	Affected =35.2.4	Fixed in–

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Description

The npm package 'bnpl-blocks-atom-bnpl-dangerously-html' version 35.2.4 contains malicious code that downloads and executes a platform-specific binary from obfuscated external hosts. This binary is dropped into temporary directories under disguised names and executed detached from the main process. The package uses obfuscation techniques including runtime assembly of hostnames and a DNS-TXT base64 fallback channel for command and control communication. Any system with this package installed or running should be considered fully compromised, with all secrets and keys rotated immediately. Removal of the package does not guarantee full remediation due to potential persistent malicious software.

Impact

Systems with this package installed or running are fully compromised, allowing attackers to execute arbitrary binaries and maintain persistent control. All stored secrets and keys on the affected system are at risk and should be rotated immediately from a secure environment. Removal of the package alone may not eliminate all malicious components due to the potential for additional malware installed by the dropped binary.

Defensive guidance

Immediate removal of the package is recommended. All credentials and secrets stored on the compromised system should be rotated from a different, secure machine. Due to the high likelihood of full system compromise, a full forensic investigation and system rebuild may be necessary to ensure complete remediation.

Summary

This threat involves a malicious npm package named 'bnpl-blocks-atom-bnpl-dangerously-html' version 35.2.4 that acts as a load-time binary dropper. Upon requiring the package, it loads a compatibility script that downloads a platform-specific binary from hardcoded Cloudflare Workers and other suspicious domains. The hostnames are constructed at runtime from split string fragments to evade static detection. The binary is saved in temporary directories with disguised filenames, given execute permissions, and launched detached from the parent process. The package's name mimics legitimate BNPL terminology as a cover. The command and control communication includes a DNS-TXT record base64 fallback channel. The presence of this package indicates a full system compromise, with potential persistent backdoors beyond the package itself.

References

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What to do

Affected software

Description

AI analysisMachine-generated, updated 6 Aug 2026, 19:31 UTC

Technical details

References

Community reviews