Is CVE-2026-28272 actively exploited?

CVE-2026-28272 has no public evidence of in-the-wild exploitation as of 2026-03-04.

What is the CVSS score for CVE-2026-28272?

CVE-2026-28272 has a CVSS score of 8.1 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N.

How do I patch CVE-2026-28272?

Patch guidance is available from accellion security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-28272.

Which products are affected by CVE-2026-28272?

1 product: accellion kiteworks.

Fix CVE-2026-28272 - HIGH accellion kiteworks

Description

Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks Email Protection Gateway allows authenticated administrators to inject malicious scripts through a configuration interface. The stored script executes when users interact with the affected user interface. Version 9.2.0 contains a patch for the issue.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: high
User Action: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: ACCELLION
Published: 2/27/2026
Last Modified: 3/4/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-28272

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary