CVE-2026-102140 Kiteworks Core Insufficient Verification of Data Authenticity
An authenticated administrator can import unverified or forged data due to insufficient file content verification, compromising data integrity.
- 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-2026-102140?
CVE-2026-102140 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 initiate an administrative import using a file whose contents were not fully verified, because the import validated only the file's header rather than the complete file. This could allow unverified or forged content to be accepted and processed, affecting the integrity of the imported data.
Weakness: CWE-345
Which versions are affected by CVE-2026-102140?
It affects 1 product.
Products include Accellion Kiteworks.
How do I fix CVE-2026-102140?
No fix has been published for CVE-2026-102140 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-102140 being exploited?
There is no known exploitation of CVE-2026-102140 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