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CVE-2026-28270

MEDIUM CVSS 3.1: 4.9 EPSS 0.02%
Updated Feb 27, 2026
Kiteworks
Parameter Value
CVSS 4.9 (MEDIUM)
Type CWE-434 (Unrestricted File Upload)
Vendor Kiteworks
Public PoC No

Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks configuration allows uploading of arbitrary files without proper validation. Malicious administrators could exploit this to upload unauthorized file types to the system.

Version 9.2.0 contains a patch for the issue.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
High
Admin privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1