CVE-2025-53900

Name: CVE-2025-53900
Creator: NVD / NIST
Published: 2025-11-29T03:15:58.983+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2025-53900 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.96%

56.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-267

Affected Software

Vendor	Product	Versions
Accellion	Kiteworks Managed File Transfer	< 9.1.0

References

https://github.com/kiteworks/security-advisories/security/advisories/GHSA-gjq3-8v6p-2h6hPatch, Third Party Advisory

Timeline

Published: Nov 29, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-53900?

How severe is CVE-2025-53900?

CVE-2025-53900 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2025-53900?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53900?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST