OpenSSF/OSV advisory MAL-2026-13389 confirms this npm version as malicious. No suspicious behaviors were identified in this package version. There are no install-time lifecycle scripts performing remote fetches, no hardcoded attacker-controlled network destinations, no credential or environment scraping, no obfuscated payloads, and no dropper or backdoor patterns. Package contents are consistent with a checkout SDK library.
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in @voxepay/checkout (npm)
Details
No suspicious behaviors were identified in this package version. There are no install-time lifecycle scripts performing remote fetches, no hardcoded attacker-controlled network destinations, no credential or environment scraping, no obfuscated payloads, and no dropper or backdoor patterns. Package contents are consistent with a checkout SDK library.
## Source: ghsa-malware (aeab1a5fee297e8c8176addde126406d5db09b4e0990a5a4b641e6d989375db5) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
Decision reason
OpenSSF Malicious Packages via OSV confirms @voxepay/checkout@0.5.12 as malicious (MAL-2026-13389): Malicious code in @voxepay/checkout (npm)