TeamT5 ThreatSonar Anti-Ransomware Unrestricted Upload of File with Dangerous Type Vulnerability
TeamT5 ThreatSonar Anti-Ransomware contains an unrestricted upload of file with dangerous type vulnerability. ThreatSonar Anti-Ransomware does not properly validate the content of uploaded files. Remote attackers with administrator privileges on the product platform can upload malicious files, which can be used to execute arbitrary system commands on the server.
A remote attacker, with administrative privileges, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2026-03-10 under CISA BOD 22-01.
This is a Unrestricted File Upload (CWE-434) vulnerability in TeamT5 ThreatSonar Anti-Ransomware. ThreatSonar Anti-Ransomware from TeamT5 does not properly validate the content of uploaded files. Remote attackers with administrator privileges on the product platform can upload malicious files, which can be used to execute arbitrary system command on the server. Exploitation requires remote network access, low attack complexity, an administrative account, and no user interaction required.
Probably yes if any of these apply:
CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2026-02-17 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2026-03-10.
Manual remediation steps
Apply the Vendor Patch
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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