What’s Vulnerable › Vulnerabilities
CVE-2025-53899: Kiteworks MFT is vulnerable to an Incorrectly Specified Destination in a Communication Channel
- Severity: high (CVSS 7.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.9% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-11-29 · updated 2026-10-07
- Weakness: CWE-941
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.
Affected products
- Accellion Kiteworks Managed File Transfer: before 9.1.0 — fixed in 9.1.0
How to fix
Upgrade to a fixed version: Accellion Kiteworks Managed File Transfer 9.1.0. Check the vendor advisory for mitigations.
References
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