TeamT5｜ThreatSonar Anti-Ransomware - Arbitrary File Deletion

published 2026-04-20 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-23799

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

teamt5 threatsonar_anti-ransomware 4.0.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 6 mo ago (2026-04-20)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	7.2	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CNA	4.0	7.2	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

TeamT5 ThreatSonar Anti-Ransomware

Classification

Weakness

CWE-23 Relative Path Traversal
CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

twcert.org.tw /tw/cp-132-10831-a734d-1.html
third-party-advisory, not-applicable
twcert.org.tw /en/cp-139-10832-05f3a-2.html
third-party-advisory, not-applicable

Sources

CVE List CVE-2026-5966
NVD CVE-2026-5966

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary