CVE-2026-102106

Summary

Improper authentication in a Kiteworks Email Protection Gateway administrative service. An administrative service in Kiteworks Email Protection Gateway did not consistently enforce administrator authentication, so the required password check could be bypassed. An attacker who referenced a valid administrator account could potentially create, modify, or delete internal users and managed domains and change their security-feature configuration without authenticating; deleting a managed domain also removes its user accounts and could lock administrators out of the gateway.

Affected Software

Weaknesses

• CWE-287: CWE-287 Improper Authentication

References

• https://github.com/kiteworks/security-advisories/security/advisories/GHSA-wwv8-qhqg-4q76
• https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json

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