CVE-2026-102089 Kiteworks Email Protection Gateway path traversal

High 7.2 Published Updated

An authenticated administrator can exploit a path traversal flaw in the import function to write arbitrary files, potentially leading to remote 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-2026-102089?

CVE-2026-102089 is a high-severity path traversal 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

Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to a path traversal weakness in an administrative import function allowed an authenticated administrator to write files to arbitrary locations on the server. This could potentially be leveraged to execute arbitrary code on the underlying system.

Weakness: CWE-22

Which versions are affected by CVE-2026-102089?

It affects 1 product.

Products include Accellion Kiteworks.

How do I fix CVE-2026-102089?

No fix has been published for CVE-2026-102089 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-102089 being exploited?

There is no known exploitation of CVE-2026-102089 in the wild and no public exploit code.

All Accellion Kiteworks vulnerabilities

Sources

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