CVE-2026-102127
Kiteworks Email Protection Gateway Improper Restriction of XML External Entity Reference
CVSS Score
7.0
EPSS Score
0.0%
EPSS Percentile
0th
An XML parser used by Kiteworks Email Protection Gateway did not restrict external entity references. Where an optional, non-default message-processing feature is enabled, a remote and unauthenticated sender could potentially use a crafted message to read files accessible to the gateway service account, including cryptographic key material and credentials, and have them sent to a destination they control.
| CWE | CWE-611 |
| Vendor | kiteworks |
| Product | email protection gateway |
| Published | Sep 30, 2026 |
Stay Ahead of the Next One
Get instant alerts for kiteworks email protection gateway
Be the first to know when new high vulnerabilities affecting kiteworks email protection gateway are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low
Affected Versions
Kiteworks / Email Protection Gateway
0 < 9.5.1