Kiteworks Core Remote Code Execution through Server-Side Template Injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-102142
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 system notification template on the Kiteworks appliance was rendered by a template engine that evaluated expressions contained in the stored template body. An authenticated System Administrator could potentially store a crafted template that executed operating-system commands on the appliance when the notification was next sent.

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-1336 | CWE-1336 CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

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 Core affected 9.5.1 custom Not specified
CNA Kiteworks Core 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-gmgg-7... 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: Supr4s, https://yeswehack.com/hunters/supr4s (en)

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

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

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

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