Path Traversal Vulnerability in Kiteworks Email Protection Gateway
CVE-2026-102089

7.2HIGH

Key Information:

Vendor

Kiteworks

Status
Email Protection Gateway
Vendor
CVE Published:
30 September 2026

What is CVE-2026-102089?

The Kiteworks Email Protection Gateway prior to version 9.5.0 contains a path traversal vulnerability in its administrative import functionality. This weakness permits an authenticated administrator to manipulate file paths, enabling them to write files to unintended locations within the server. Such exploitation could lead to unauthorized access and potential execution of arbitrary code, posing a significant risk to the underlying system's integrity.

Affected Version(s)

Email Protection Gateway 0 < 9.5.0

Email Protection Gateway 9.5.0

References

https://github.com/kiteworks/security-advisories/security...
vendor-advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/cs...
third-party-advisory

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Supr4s, https://yeswehack.com/hunters/Supr4s
wlayzz, https://yeswehack.com/hunters/wlayzz
Icare, https://yeswehack.com/hunters/Icare
truff, https://yeswehack.com/hunters/truff
.