CVE-2025-53939 MEDIUM

CVE-2025-53939: Kiteworks Core is vulnerable to Improper Input Validation

Vendor Kiteworks
Product security-advisories
Weakness CWE-20 · Input validation
Published November 29, 2025
Last update December 1, 2025
View on NVD All CVEs

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Kiteworks is a private data network (PDN). Prior to version 9.1.0, improper input validation when managing roles of a shared folder could lead to unexpectedly elevate another user's permissions on the share. This issue has been patched in version 9.1.0.

Key dates

02Disclosure timeline

November 29, 2025 CVE published
December 1, 2025 Record updated