Path Traversal in Kiteworks Email Protection Gateway

CVE-2026-102089

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-102089?
CVE-2026-102089 is a high-severity vulnerability in Kiteworks Email Protection Gateway, classified under Path Traversal. CVSS score: 7.2/10. Published 2026-09-30.
How severe is CVE-2026-102089?
High severity. CVSS v3 base score is 7.2 out of 10.