CVE-2026-102121 Kiteworks Secure Data Forms Exposure of Sensitive Information to an Unauthorized Actor
Unauthenticated attackers can access sensitive user profile data and configuration settings via exposed form-rendering interfaces in Kiteworks Secure Data Forms.
- 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-2026-102121?
CVE-2026-102121 is a high-severity 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 form-rendering interface in the Advanced Forms component is reachable without authentication so that published forms can be displayed to anonymous visitors, but it returned more data than the form itself required. Anyone who knew the web address of a published form could potentially retrieve the form owner's Kiteworks account profile, including personal details, along with parts of the deployment's configuration settings; no passwords, authentication tokens, or multi-factor secrets were exposed.
Which versions are affected by CVE-2026-102121?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102121?
No fix has been published for CVE-2026-102121 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102121 being exploited?
There is no known exploitation of CVE-2026-102121 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