Malicious Package Affecting period-newline package, versions *
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
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Test your applications- Snyk IDSNYK-JS-PERIODNEWLINE-16748143
- published18 May 2026
- disclosed17 May 2026
- creditUnknown
Introduced: 17 May 2026
New Malicious CVE NOT AVAILABLE CWE-506 (opens in a new tab)How to fix?
Avoid using all malicious instances of the period-newline package.
Overview
period-newline is a malicious package. This package contains malicious code designed to steal sensitive credentials and establish remote access. While these packages might attempt to impersonate legitimate organizations and popular open-source libraries, there is no connection between those organizations and these malicious packages.
Note: While not all versions of this package contain a malicious payload, this is considered a staged attack with incremental delivery. Therefore, use of any version of the package should be considered compromised.