What’s Vulnerable › Vulnerabilities
CVE-2026-23638: Kiteworks Secure Data Forms is vulnerable to Authorization Bypass Through User-Controlled Key
- Severity: medium (CVSS 6.5 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: 2026-06-01 · updated 2026-07-22
- Weakness: CWE-639
Description
Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated attacker to tamper with the internal approval flow configurations of forms belonging to other users due to insufficient authorization checks on resource ownership. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.
Affected products
- Kiteworks Email Protection Gateway: before 9.3.0 — fixed in 9.3.0
How to fix
Upgrade to a fixed version: Kiteworks Email Protection Gateway 9.3.0. Check the vendor advisory for mitigations.
References
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