CVE-2026-102142 Kiteworks Core Remote Code Execution through Server-Side Template Injection
An authenticated System Administrator can execute arbitrary OS commands on the Kiteworks appliance via Server-Side Template Injection in notification templates.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102142?
CVE-2026-102142 is a high-severity code injection vulnerability in Accellion Kiteworks, published on 30 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A system notification template on the Kiteworks appliance was rendered by a template engine that evaluated expressions contained in the stored template body. An authenticated System Administrator could potentially store a crafted template that executed operating-system commands on the appliance when the notification was next sent.
Weakness: CWE-1336
Which versions are affected by CVE-2026-102142?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102142?
No fix has been published for CVE-2026-102142 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-102142 being exploited?
There is no known exploitation of CVE-2026-102142 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