CVE-2025-53900: Kiteworks MFT orchestrates end-to-end file transfer workflows. Prior to version 9.1.0, an unfavourable definition of…
CVE-2025-53900 · Severity: medium · CVSS 6.5 · Published 2025-11-29
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-53900 being exploited in the wild.
How severe is CVE-2025-53900?
Medium severity, with a CVSS score of 6.5, published 29 November 2025.
Which products and versions are affected?
Accellion Kiteworks Managed File Transfer. The advisory does not name versions.
Is there a fix for CVE-2025-53900?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-53900?
Check whether you run Accellion Kiteworks Managed File Transfer. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.