checkout-use-disable-interaction (npm) · Malicious Code
Affects checkout-use-disable-interactionSource GCVE Database
Malicious package : remove checkout-use-disable-interaction and rotate any secrets on hosts that installed it.
Data as of 5 Aug 2026, 16:06 UTC
Malicious package
Published to npm · OSV MAL-2026-12601
What to do
Remove checkout-use-disable-interaction 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 |
|---|---|---|
| npmcheckout-use-disable-interaction | Affected
| Fixed in– |
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Description
The npm package 'checkout-use-disable-interaction' version 35.4.9 contains malicious code that downloads and executes a platform-specific native binary from obfuscated Cloudflare Workers subdomains and fallback DNS TXT records. The payload is saved to system temporary directories with filenames mimicking legitimate system artifacts and executed detached from the main process. The package README falsely advertises a benign microservice module, while the actual code performs unauthorized code execution and persistence by periodically re-running the dropper every ~6 hours.