CVE-2026-102137 Kiteworks Core Unrestricted Upload of File with Dangerous Type
An authenticated administrator can bypass validation to upload dangerous files, requiring a separate vulnerability for code execution.
- 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-2026-102137?
CVE-2026-102137 is a medium-severity 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
An authenticated administrator could bypass the content validation applied to an administrative file upload and store a file containing dangerous content on the appliance. This did not by itself result in code execution, which would require a separate vulnerability to run the stored file.
Weakness: CWE-434
Which versions are affected by CVE-2026-102137?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102137?
No fix has been published for CVE-2026-102137 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102137 being exploited?
There is no known exploitation of CVE-2026-102137 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