CVE-2026-102144

EUVD-2026-90268
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 30.57%
Affected Products (NVD)
VendorProductVersion
accellionkiteworks
𝑥
< 9.5.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/kiteworks/security-advisories/security/advisories/GHSA-wwhf-5862-rjxq
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json