CVE-2026-102128High· 7.5▾ TwilightAn identity-verification weakness in Kiteworks Email Protection Gateway allowed the gateway to act on the Kiteworks platform on behalf of a user it had not authenticated, and to provision a platform account for an identity it did not alr…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.4%
Last analysed / modified upstream
An identity-verification weakness in Kiteworks Email Protection Gateway allowed the gateway to act on the Kiteworks platform on behalf of a user it had not authenticated, and to provision a platform account for an identity it did not already know. A remote, unauthenticated sender could potentially exploit this to obtain control of a platform account.
kiteworks < 9.5.1Upgrade past the affected range:
kiteworks 9.5.1Connected by shared product, vendor, weakness, or advisory.
CVE-2026-102106Critical· 9.1Improper authentication in a Kiteworks Email Protection Gateway administrative service
CVE-2026-102149Critical· 9.4Kiteworks Email Protection Gateway did not sufficiently restrict which account a certificate could be assigned to
CVE-2026-102150High· 7.2A function in the Kiteworks Advanced Forms component was reachable without authentication
CVE-2026-102144Medium· 5.3A resource exhaustion vulnerability in Kiteworks Email Protection Gateway allowed an unauthenticated remote attacker to repeatedly trigger a comparatively expensive server-side operation, causing a partial denial of service.
CVE-2026-102145Medium· 6.6An authenticated administrator could cause the server to issue requests to, and interact with, internal network services that are not meant to be reachable through this interface
CVE-2026-102146Medium· 6.5An authenticated Email Protection Gateway administrator holding only limited, delegated permissions could write files with attacker-controlled content to arbitrary locations accessible to the Email Protection Gateway service account