CVE-2026-28270

Kiteworks Core has an Unrestricted Upload of File with Dangerous Type

Published Feb 27, 2026 CVSS 3.1 · 4.9 Medium EPSS 1.8% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Accellion
Accellion kiteworks
CPEs cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*
Vendors & Products Accellion
Accellion kiteworks
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Kiteworks
Kiteworks security-advisories
Vendors & Products Kiteworks
Kiteworks security-advisories
Type Values Removed Values Added
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.
Title Kiteworks Core has an Unrestricted Upload of File with Dangerous Type
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Mar 3, 2026, 8:27 PM
Reserved
Feb 26, 2026, 1:52 AM
Status
Analyzed
Published
Feb 27, 2026, 9:16 PM
Modified
Jun 17, 2026, 10:28 AM