Arbitrary Code Execution Vulnerability in Kiteworks Email Protection Gateway
CVE-2026-102130

7.2HIGH

Key Information:

Vendor

Kiteworks

Status
Email Protection Gateway
Vendor
CVE Published:
30 September 2026

What is CVE-2026-102130?

The Kiteworks Email Protection Gateway contains a vulnerability where insufficient validation of an uploaded backup file allows an authenticated administrator to influence how the application processes the content. This could enable the execution of arbitrary code with the privileges of the underlying service account, potentially leading to unauthorized access or control over the gateway.

Affected Version(s)

Email Protection Gateway 0 < 9.5.1

Email Protection Gateway 9.5.1

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
.