Back to CVE records
Medium 4.9Published Feb 27, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects kiteworks security-advisories and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
4.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE)
CWE-434
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GitHub_M
NVD analysis
Analyzed
Record last updated
Mar 3, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
kiteworks security-advisories
kiteworks:security_advisories (from the name)
before 9.2.0
CNA record
accellion kiteworks
accellion:kiteworks
before 9.2.0
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.