CVE-2026-102090

Medium

Description

Kiteworks Core before version 9.5.1 is vulnerable to Content Injection. A URL parameter in the PDF viewer was insufficiently validated, allowing an attacker-controlled document to be loaded and displayed under the trust of the legitimate application domain. This could increase the credibility of phishing attempts relying on malicious links embedded in the displayed content.

SeverityMedium

CVSS4.3

Exploit probability—

ProductAccellion Kiteworks

PublishedSep 30, 2026

First seenSep 30, 2026

Weakness typeCWE-601Open redirect

How to fix

Update

accellion kiteworks9.5.1 or later

Vendor advisories

github.com/kiteworks/security-advisories/security/advisories/GHSA-g3hj-598g-338g

Affected products

Product	Affected versions	Fixed in
accellion kiteworks	v < 9.5.1	9.5.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.