CVE WatchOct 8, 2026

CVE-2026-102106

Improper authentication in a Kiteworks Email Protection Gateway administrative service. An administrative service in Kiteworks Email Protect

CVSS

9.1

Critical

EPSS

1.1%

p65

KEV

—

Exploit Today

0-100

Published: Sep 30, 2026 · Last modified: Oct 8, 2026 · CWE-287

EPSS · 30d

0.4%EPSS · 30 days1.1%

2026-10-012026-10-21

Technical description

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.

Official references

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