What is CVE-2026-5966?

CVE-2026-5966 is a high-severity vulnerability in Teamt5 Threatsonar Anti-Ransomware, classified under Relative Path Traversal. CVSS score: 8.1/10. Published 2026-04-20.

How severe is CVE-2026-5966?

High severity. CVSS v3 base score is 8.1 out of 10.

Path Traversal in Teamt5 Threatsonar Anti-Ransomware

CVE-2026-5966

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.

Published 2026-04-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002

Affected products

Teamt5 Threatsonar Anti-Ransomware — versions 0
Teamt5 Threatsonar Anti-Ransomware

Weakness classification (CWE)

References

www.twcert.org.tw/tw/cp-132-10831-a734d-1.html (Not Applicable, third-party-advisory)
www.twcert.org.tw/en/cp-139-10832-05f3a-2.html (Not Applicable, third-party-advisory)

Frequently asked questions

What is CVE-2026-5966?: CVE-2026-5966 is a high-severity vulnerability in Teamt5 Threatsonar Anti-Ransomware, classified under Relative Path Traversal. CVSS score: 8.1/10. Published 2026-04-20.
How severe is CVE-2026-5966?: High severity. CVSS v3 base score is 8.1 out of 10.