CVE-2023-23591: Terminalfour

Medium severity, CVSS 4.9. EPSS: 0.6% chance of exploitation in the next 30 days.

The Logback component in Terminalfour before 8.3.14.1 allows OS administrators to obtain sensitive information from application server logs when debug logging is enabled. The fixed versions are 8.2.18.7, 8.2.18.2.2, 8.3.11.1, and 8.3.14.1.

Affected products

• Terminalfour Terminalfour: before 8.2.18.2.2 (fixed in 8.2.18.2.2); from 8.2.18.3, before 8.2.18.7 (fixed in 8.2.18.7); from 8.3.0, before 8.3.11.1 (fixed in 8.3.11.1); from 8.3.12, before 8.3.14.1 (fixed in 8.3.14.1)

Published 2023-04-12. Last modified 2026-06-17.