CVE-2023-45858: Paessler PRTG Network Monitor

High severity, CVSS 8.6. EPSS: 0.7% chance of exploitation in the next 30 days.

A directory traversal was identified in Paessler PRTG before 23.4.88.1429 that made it possible to read local files.

Affected products

• Paessler PRTG Network Monitor: before 23.4.88.1429 (fixed in 23.4.88.1429)

Published 2026-09-14. Last modified 2026-09-22.