CVE-2026-28270CWE-434

Kiteworks Core has an Unrestricted Upload of File with Dangerous Type

Medium · published February 27, 2026

CVSS v3.1
4.9
EPSS
2%
Percentile
82.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.02189 · 82.3th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-02-27T20:19Z
EPSS history
Timeline
  • 27 FEB 20:19Z
    Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
    cvelistv5