CVE-2026-102131

high

Description

Kiteworks 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.

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json

https://github.com/kiteworks/security-advisories/security/advisories/GHSA-62f6-c955-4fhq

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-90286

Details

Source: Mitre, NVD

Published: 2026-09-30

Updated: 2026-10-08

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.2

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

Severity: High

EPSS

EPSS: 0.01185