CVE WatchOct 8, 2026

CVE-2026-102103

Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to Server-Side Request Forgery (SSRF). A server-side request forgery (

CVSS

9.1

Critical

EPSS

0.7%

p53

KEV

—

Exploit Today

0-100

Published: Sep 30, 2026 · Last modified: Oct 8, 2026 · CWE-918

EPSS · 30d

0.2%EPSS · 30 days0.7%

2026-10-012026-10-21

Technical description

Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to Server-Side Request Forgery (SSRF). A server-side request forgery (SSRF) weakness in Kiteworks Email Protection Gateway could allow a remote, unauthenticated attacker to induce the gateway to issue crafted requests to internal or otherwise unintended network destinations. The requests are triggered while the gateway retrieves a certificate revocation list in an inbound message. Depending on the services reachable from the gateway, this could disclose sensitive internal information or disrupt gateway operation.

Official references

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