CVE-2026-33566: Jpcert Logontracer

Medium severity, CVSS 5.1. EPSS: 0.3% chance of exploitation in the next 30 days.

There is a cypher injection issue in LogonTracer prior to v2.0.0. If specially crafted Windows event log data is loaded, the contents of the database may be altered.

Affected products

• Jpcert Logontracer: before 2.0.0 (fixed in 2.0.0)

Published 2026-04-27. Last modified 2026-06-17.