CVE-2025-53899

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.

CVSS 3.1

7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS

0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-25)

CWE

CWE-941

Published

2025-11-29

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• accellion:kiteworks_managed_file_transfer

References

• https://github.com/kiteworks/security-advisories/security/advisories/GHSA-5gx5-vcpp-8cr5

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