Vulnerability · Published Apr 20, 2026 · Assigned by twcert
CVE-2026-5966TeamT5｜ThreatSonar Anti-Ransomware - Arbitrary File Deletion
High 8.1
In plain English
A high-severity security flaw in ThreatSonar Anti-Ransomware from TeamT5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 64.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TeamT5 | ThreatSonar Anti-Ransomware | 0 – through 4.0.0 |
Weakness: CWE-23 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
References
- https://www.twcert.org.tw/tw/cp-132-10831-a734d-1.html third-party-advisory
- https://www.twcert.org.tw/en/cp-139-10832-05f3a-2.html third-party-advisory