CVE-2026-102127
7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Kiteworks | Email Protection Gateway | 0 < 9.5.1 | affected |
| Kiteworks | Email Protection Gateway | 9.5.1 | unaffected |
Weaknesses
- CWE-611: CWE-611 Improper Restriction of XML External Entity Reference
References
- https://github.com/kiteworks/security-advisories/security/advisories/GHSA-9jwc-h943-6f84
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json
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