Kiteworks Email Protection Gateway Uncontrolled Resource Consumption

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-102144
StatePUBLISHED
Assignercisa-cg
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-30 21:17:03 UTC
Updated2026-09-30 21:17:03 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from 9119a7d8-5eab-497f-8521-727c672e3725

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Problem Types: CWE-306 | CWE-400 | CWE-306 CWE-306 Missing Authentication for Critical Function | CWE-400 CWE-400 Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.19119a7d8-5eab-497f-8521-727c672e3725Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kiteworks Email Protection Gateway affected 9.5.1 custom Not specified
CNA Kiteworks Email Protection Gateway unaffected 9.5.1 Not specified

References

ReferenceSourceLinkTags
raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json 9119a7d8-5eab-497f-8521-727c672e3725 raw.githubusercontent.com
github.com/kiteworks/security-advisories/security/advisories/GHSA-wwhf-5... 9119a7d8-5eab-497f-8521-727c672e3725 github.com
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