CVE-2026-28270

Kiteworks Core has an Unrestricted Upload of File with Dangerous Type

HIGH
7.2
CVSS Score
Published: February 27, 2026 at 08:19 PM UTC
Updated: June 17, 2026 at 10:28 AM UTC
2 products affected across 2 vendorsKiteworksKiteworks

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Severity
HIGH7.2
Exploit prediction
EPSS 2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 9.2.0
Affected range stops below 9.2.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-434

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