CVE-2026-5966: TeamT5 ThreatSonar Anti-Ransomware

High severity, CVSS 8.1. EPSS: 0.6% chance of exploitation in the next 30 days.

ThreatSonar Anti-Ransomware developed by TeamT5 has an Arbitrary File Deletion vulnerability. Authenticated remote attackers with web access can exploit Path Traversal to delete arbitrary files on the system.

Affected products

• TeamT5 ThreatSonar Anti-Ransomware: before 4.0.0 (fixed in 4.0.0)

Published 2026-04-20. Last modified 2026-06-17.