CVE-2026-5966 | TeamT5 ThreatSonar Anti-Ransomware up to 4.0.0 path traversal (EUVD-2026-23799)

VDB-358291 · CVE-2026-5966 · EUVD-2026-23799 TEAMT5 THREATSONAR ANTI-RANSOMWARE UP TO 4.0.0 PATH TRAVERSAL HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.7 $0-$5k 4.85+ Summaryinfo A vulnerability has been found in TeamT5 ThreatSonar Anti-Ransomware up to 4.0.0 and classified as problematic. Affected is an unknown function. This manipulation causes path traversal. This vulnerability is handled as CVE-2026-5966. The attack can be initiated remotely. There is not any exploit available. Detailsinfo A vulnerability classified as problematic was found in TeamT5 ThreatSonar Anti-Ransomware up to 4.0.0. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. As an impact it is known to affect integrity, and availability. The summary by CVE is: 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. It is possible to read the advisory at twcert.org.tw. This vulnerability is known as CVE-2026-5966 since 04/09/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/20/2026). The attack technique deployed by this issue is T1006 according to MITRE ATT&CK. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-23799). Productinfo Vendor TeamT5 Name ThreatSonar Anti-Ransomware Version 4.0 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 6.7 VulDB Meta Temp Score: 6.7 VulDB Base Score: 5.4 VulDB Temp Score: 5.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.1 CNA Vector (twcert): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Path traversal CWE: CWE-23 / CWE-22 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/09/2026 CVE reserved 04/20/2026 +11 days Advisory disclosed 04/20/2026 +0 days VulDB entry created 04/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: twcert.org.tw Status: Not defined CVE: CVE-2026-5966 (🔒) GCVE (CVE): GCVE-0-2026-5966 GCVE (VulDB): GCVE-100-358291 EUVD: 🔒 Entryinfo Created: 04/20/2026 11:52 Updated: 04/20/2026 12:26 Changes: 04/20/2026 11:52 (72), 04/20/2026 12:26 (1) Complete: 🔍 Cache ID: 99:E55:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸