CVE-2026-102150: Kiteworks Secure Data Forms Missing Authentication for Critical Function

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-30 · updated 2026-10-07
Weakness: CWE-306

Description

A function in the Kiteworks Advanced Forms component was reachable without authentication. An unauthenticated attacker could potentially use it to carry out a limited set of internal service operations on the Kiteworks platform; it did not permit access to user accounts, stored files, or form submissions.

Affected products

Kiteworks Email Protection Gateway: from 9.3.0 before 9.5.1 — fixed in 9.5.1

How to fix

Upgrade to a fixed version: Kiteworks Email Protection Gateway 9.5.1. Check the vendor advisory for mitigations.

References

https://github.com/kiteworks/security-advisories/security/advisories/GHSA-vwvw-rp3m-rm37
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/VA/white/2026/va-26-274-01.json

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