Resource Exhaustion Vulnerability in Kiteworks Email Protection Gateway
CVE-2026-102144

5.3MEDIUM

Key Information:

Vendor

Kiteworks

Status
Email Protection Gateway
Vendor
CVE Published:
30 September 2026

What is CVE-2026-102144?

A resource exhaustion vulnerability exists in Kiteworks Email Protection Gateway, allowing unauthenticated remote attackers to exploit the system by triggering expensive server-side operations repeatedly. This can lead to performance degradation and partial denial of service, potentially impacting the availability of email protection services.

Affected Version(s)

Email Protection Gateway 0 < 9.5.1

Email Protection Gateway 9.5.1

References

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

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.