Remote Code Execution Vulnerability in Kiteworks Email Protection Gateway
CVE-2026-102116

7.2HIGH

Key Information:

Vendor

Kiteworks

Status
Email Protection Gateway
Vendor
CVE Published:
30 September 2026

What is CVE-2026-102116?

A security weakness in the Kiteworks Email Protection Gateway allows an authenticated administrator to write files outside the designated directory. This flaw may lead to the execution of arbitrary code under the service account, posing significant security risks such as unauthorized access to sensitive data and system compromise.

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

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