CVE-2026-102090 Kiteworks Core content injection
Attackers can inject malicious content into the PDF viewer via URL parameters, facilitating phishing attacks by leveraging the application's trusted domain.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-102090?
CVE-2026-102090 is a medium-severity vulnerability in Accellion Kiteworks, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-601
Which versions are affected by CVE-2026-102090?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102090?
No fix has been published for CVE-2026-102090 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102090 being exploited?
There is no known exploitation of CVE-2026-102090 in the wild and no public exploit code.
Other vulnerabilities in Accellion Kiteworks
- CVE-2026-102115 Kiteworks Core Authentication Bypass in the Password Reset Workflow
- CVE-2026-102149 Kiteworks Email Protection Gateway Improper Access Control
- CVE-2026-102147 Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS)
- CVE-2026-102095 Kiteworks Email Protection Gateway server-side request forgery
- CVE-2026-102102 Kiteworks Email Protection Gateway server-side request forgery