Vulnerability · Published Feb 27, 2026 · Assigned by GitHub_M

CVE-2026-28270Kiteworks Core has an Unrestricted Upload of File with Dangerous Type

Medium 4.9

In plain English

A medium-severity unrestricted file upload in security-advisories from kiteworks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).

Severity (CVSS 3.1)4.9Medium
Exploit odds (30 days)1.8%top 21.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
kiteworks security-advisories < 9.2.0

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

References