CVE-2026-102144 Kiteworks Email Protection Gateway Uncontrolled Resource Consumption
Unauthenticated remote attackers can cause partial denial of service by triggering expensive server-side operations in Kiteworks Email Protection Gateway.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-102144?
CVE-2026-102144 is a medium-severity denial of service vulnerability in Accellion Kiteworks, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A resource exhaustion vulnerability in Kiteworks Email Protection Gateway allowed an unauthenticated remote attacker to repeatedly trigger a comparatively expensive server-side operation, causing a partial denial of service.
Which versions are affected by CVE-2026-102144?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102144?
No fix has been published for CVE-2026-102144 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-102144 being exploited?
There is no known exploitation of CVE-2026-102144 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