Vulnerability · Published Sep 30, 2026 · Assigned by cisa-cg
CVE-2026-102144Kiteworks Email Protection Gateway Uncontrolled Resource Consumption
Medium 5.3
In plain English
A medium-severity missing authentication in Email Protection Gateway from Kiteworks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 69.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A resource exhaustion vulnerability in Kiteworks Email Protection Gateway allowed an unauthenticated remote attacker to repeatedly trigger a comparatively expensive server-side operation, causing a partial denial of service.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Kiteworks | Email Protection Gateway | 0 – before 9.5.1 |
Weakness: CWE-306, CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L