Threatsonar Anti Ransomware CVE-2026-5966

| EUVD-2026-23799 HIGH
Relative Path Traversal (CWE-23)
2026-04-20 twcert GHSA-544v-v93w-x43g
7.2
CVSS 4.0
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CVSS VectorNVD

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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Updated
Apr 20, 2026 - 08:29 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Apr 20, 2026 - 08:22 vuln.today
cvss_changed
CVSS changed
Apr 20, 2026 - 08:22 NVD
8.1 (HIGH) 7.2 (HIGH)
Analysis Generated
Apr 20, 2026 - 07:57 vuln.today

DescriptionNVD

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.

AnalysisAI

Path traversal in TeamT5 ThreatSonar Anti-Ransomware versions ≤4.0.0 allows authenticated remote attackers with web access to delete arbitrary system files, potentially disabling security protections or causing system instability. With CVSS 7.2 (High Integrity and Availability impact), this poses significant risk to security infrastructure despite requiring authentication. …

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RemediationAI

Within 24 hours: Inventory all ThreatSonar Anti-Ransomware deployments and document current versions; restrict low-privilege user access to the ThreatSonar web interface using network segmentation or access controls. Within 7 days: Contact vendor for available interim versions, security updates, or compensating control guidance; implement application-level request filtering to block path traversal patterns (../, encoded variants) at the web interface. …

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CVE-2026-5966 vulnerability details – vuln.today

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