CVE-2026-45102: Oneuptime

Critical severity, CVSS 9.9. EPSS: 0.5% chance of exploitation in the next 30 days.

OneUptime is an open-source monitoring and observability platform. Prior to 10.0.98, OneUptime uses the Node.js' vm module as an isolation primitive. This API was not designed for that and can be escaped via error objects and infinite recursion. This vulnerability is fixed in 10.0.98.

Affected products

• Oneuptime Oneuptime: before 10.0.98 (fixed in 10.0.98)

Published 2026-05-27. Last modified 2026-06-17.