Code Execution Vulnerability in Kiteworks Email Protection Gateway
CVE-2026-102131

7.2HIGH

Key Information:

Vendor

Kiteworks

Status
Email Protection Gateway
Vendor
CVE Published:
30 September 2026

What is CVE-2026-102131?

The Kiteworks Email Protection Gateway contains a vulnerability arising from its flawed handling of specific configuration settings. When an authenticated administrator submits configurations in unrecognized formats, the system may inadvertently allow the execution of arbitrary files. This could lead to unauthorized code execution within the context of the gateway service account, posing significant security risks.

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
.