Kiteworks Email Protection Gateway Improper Handling of Case Sensitivity

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-102131
StatePUBLISHED
Assignercisa-cg
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-30 21:17:01 UTC
Updated2026-09-30 21:17:01 UTC
DescriptionKiteworks Email Protection Gateway rejected certain configuration settings, but its validation did not recognize every form in which they could be supplied. An authenticated administrator could potentially use an unrecognized form to have a file of their choosing written to the gateway and executed, resulting in code execution as the gateway service account.

Risk And Classification

Primary CVSS: v3.1 7.2 HIGH from 9119a7d8-5eab-497f-8521-727c672e3725

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

Problem Types: CWE-94 | CWE-178 | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection') | CWE-178 CWE-178 Improper Handling of Case Sensitivity

VersionSourceTypeScoreSeverityVector
3.19119a7d8-5eab-497f-8521-727c672e3725Secondary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kiteworks Email Protection Gateway affected 9.5.0 custom Not specified
CNA Kiteworks Email Protection Gateway unaffected 9.5.0 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-62f6-c... 9119a7d8-5eab-497f-8521-727c672e3725 github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Icare, https://yeswehack.com/hunters/icare (en)

CNA: Supr4s, https://yeswehack.com/hunters/Supr4s (en)

CNA: wlayzz, https://yeswehack.com/hunters/wlayzz (en)

CNA: truff, https://yeswehack.com/hunters/truff (en)

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