Vulnerability · Published Sep 30, 2026 · Assigned by cisa-cg
CVE-2026-102095Kiteworks Email Protection Gateway server-side request forgery
Critical 9.1
In plain English
A critical-severity server-side request forgery in Email Protection Gateway from Kiteworks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Official description
Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to Server-Side Request Forgery. Kiteworks Email Protection Gateway performed server-side fetches of URLs contained in the message content it processed, without adequately restricting the fetch destination. A remote, unauthenticated sender could craft a message that caused the gateway to issue requests to internal services and cloud instance metadata endpoints and return the responses, potentially disclosing sensitive internal data and, depending on the internal service reached, affecting its state.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Kiteworks | Email Protection Gateway | 0 – before 9.5.0 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N