CVE-2025-53899
High
Description
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductAccellion Kiteworks Managed File Transfer
PublishedNov 29, 2025
First seenNov 29, 2025
Weakness typeCWE-941CWE-941
How to fix
Update
- accellion kiteworks_managed_file_transfer9.1.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| accellion kiteworks_managed_file_transfer | v < 9.1.0 | 9.1.0 |
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