CVE-2025-53899
HighCVSS 7.2Exploitation Probability (EPSS)
Elevated risk60th percentile - higher than 60% of all known CVEs
Summary
Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, the back-end of Kiteworks MFT is vulnerable to an incorrectly specified destination in a communication channel which allows an attacker with administrative privileges on the system under certain circumstances to intercept upstream communication which could lead to an escalation of privileges. This issue has been patched in version 9.1.0.
Risk Assessment
An attacker with administrative privileges can intercept communication and escalate privileges, potentially leading to unauthorized access to data and systems.
Recommendation
Upgrade Kiteworks MFT to version 9.1.0 or later. Restrict administrative privileges and monitor for unusual network communication.
Other vulnerabilities in Kiteworks MFT
See all- CVE-2025-53900Medium
Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, an unfavourable definition of roles and permissions in Kiteworks MFT on managing Connections could lead to unexpected escalation of privileges for authorized users. This issue has been patched in version 9.1.0.
- CVE-2025-53897Medium
Kiteworks MFT prior to version 9.1.0 allows an external attacker to gain access to system log information by tricking an administrator into browsing a crafted fake page. The issue is patched in version 9.1.0.
- CVE-2025-53896High
Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, a bug in Kiteworks MFT could cause under certain circumstances that a user's active session would not properly time out due to inactivity. This issue has been patched in version 9.1.0.
Original NVD description (English source)
Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, the back-end of Kiteworks MFT is vulnerable to an incorrectly specified destination in a communication channel which allows an attacker with administrative privileges on the system under certain circumstances to intercept upstream communication which could lead to an escalation of privileges. This issue has been patched in version 9.1.0.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

