CVE-2026-102139

MediumCVSS 6.5/10Last modified Oct 7, 2026

Description

An authorization check in the large file exchange feature of Kiteworks Email Protection Gateway did not correctly establish that the requesting user was a party to the package being requested. An authenticated user of that optional feature could read the subject, message body, and attachments of packages they neither sent nor received.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-639 CWE-863

Affected software

No affected versions have been published.

Timeline

Published: Sep 30, 2026
Last modified: Oct 7, 2026
NVD status: Analyzed

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