MEDIUM 6.5 NVD
CVE-2026-102139
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
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.
References
- https://github.com/kiteworks/security-advisories/security/advisories/GHSA-fp46-xhg8-vpgm
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-09-30 via NVD.
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