What’s Vulnerable › Vulnerabilities

CVE-2026-5966: TeamT5｜ThreatSonar Anti-Ransomware - Arbitrary File Deletion

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-20 · updated 2026-10-26
• Weakness: CWE-23

Description

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

How to fix

Upgrade to a fixed version: TeamT5 ThreatSonar Anti-Ransomware 4.0.0. Check the vendor advisory for mitigations.

References

• https://www.twcert.org.tw/en/cp-139-10832-05f3a-2.html
• https://www.twcert.org.tw/tw/cp-132-10831-a734d-1.html

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