CVE-2026-5966
CVE-2026-5966 is a high-severity vulnerability in Teamt5 Threatsonar Anti-ransomware with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v4: 7.2
- EPSS exploit prediction: 0% (33rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-23799
- Weakness: CWE-22
- Affected product: Teamt5 Threatsonar Anti-ransomware
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-5966?
- CVE-2026-5966 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2026-5966 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-5966?
- CVE-2026-5966 affects Teamt5 Threatsonar Anti-ransomware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-5966?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-5966 have an EU (EUVD) identifier?
- Yes. CVE-2026-5966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23799.
- When was CVE-2026-5966 published?
- CVE-2026-5966 was published on 2026-04-20 and last updated on 2026-06-17.
References
- https://www.twcert.org.tw/en/cp-139-10832-05f3a-2.html
- https://www.twcert.org.tw/tw/cp-132-10831-a734d-1.html
Affected products (1)
- cpe:2.3:a:teamt5:threatsonar_anti-ransomware:*:*:*:*:*:*:*:*
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