CVE-2025-53900 Kiteworks MFT has a Privilege Defined With Unsafe Actions

Medium 6.5 Published Updated

Authorized users can escalate privileges due to unsafe role definitions in Kiteworks MFT connection management.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-53900?

CVE-2025-53900 is a medium-severity vulnerability in kiteworks security-advisories, published on 29 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-267

Which versions are affected by CVE-2025-53900?

It affects 1 product.

Products include Accellion Kiteworks Managed File Transfer.

How do I fix CVE-2025-53900?

No fix has been published for CVE-2025-53900 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-53900 being exploited?

There is no known exploitation of CVE-2025-53900 in the wild and no public exploit code.

Sources

Is CVE-2025-53900 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free