closure-es6 (npm) · Malicious Code
Affects closure-es6Source GCVE Database
0
Malicious package : remove closure-es6 and rotate any secrets on hosts that installed it.
Data as of 29 Oct 2026, 23:00 UTC
Classification
Malicious package
Published to npm · OSV MAL-2025-17150
What to do
Remove closure-es6 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 |
|---|---|---|
| npmclosure-es6 | Affected
| 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 closure-es6 version 1.0.1 contains malicious code that installs a dependency from a custom domain. This dependency runs an information stealer during installation, targeting npm, git, and CI/CD tokens.
References
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