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CVE-2026-102121— Kiteworks Secure Data Forms Exposure of Sensitive Information to an Unauthorized Actor

Quick assessment

Affected
Kiteworks Secure Data Forms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Advanced Forms 组件中的一个表单渲染接口在未进行身份验证的情况下即可访问，以便向匿名访客展示已发布的表单。然而，该接口返回了超出表单本身所需的数据范围。任何知道某个已发布表单网址的人都可能获取该表单所有者的 Kiteworks 账户资料（包括个人详细信息）以及部署配置设置的部分内容；但并未泄露任何密码、身份验证令牌或多因素认证密钥。

CVSS 8.6 · High
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I. Basic Information for CVE-2026-102121

Vulnerability Information
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Vulnerability Title
Kiteworks Secure Data Forms Exposure of Sensitive Information to an Unauthorized Actor
Source: CVE Program / CVE List V5
Vulnerability Description
A form-rendering interface in the Advanced Forms component is reachable without authentication so that published forms can be displayed to anonymous visitors, but it returned more data than the form itself required. Anyone who knew the web address of a published form could potentially retrieve the form owner's Kiteworks account profile, including personal details, along with parts of the deployment's configuration settings; no passwords, authentication tokens, or multi-factor secrets were exposed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Kiteworks Secure Data Forms 0 ~ 9.5.1 -

II. Public POCs for CVE-2026-102121

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III. Intelligence Information for CVE-2026-102121

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Other References for CVE-2026-102121 (2)

Same Patch Batch · Kiteworks · 2026-09-30 · 61 CVEs total

CVE-2026-102115 9.8 CRITICAL Kiteworks Core Authentication Bypass in the Password Reset Workflow
CVE-2026-102149 9.4 CRITICAL Kiteworks Email Protection Gateway Improper Access Control
CVE-2026-102147 9.3 CRITICAL Kiteworks Core Administrative Account Takeover through Stored Cross-site Scripting (XSS)
CVE-2026-102104 9.1 CRITICAL Kiteworks Email Protection Gateway server-side request forgery
CVE-2026-102095 9.1 CRITICAL Kiteworks Email Protection Gateway server-side request forgery
CVE-2026-102102 9.1 CRITICAL Kiteworks Email Protection Gateway server-side request forgery
CVE-2026-102105 9.1 CRITICAL Kiteworks Email Protection Gateway server-side request forgery
CVE-2026-102103 9.1 CRITICAL Kiteworks Email Protection Gateway server-side request forgery
CVE-2026-102106 9.1 CRITICAL Kiteworks Email Protection Gateway improper authentication
CVE-2026-102120 8.8 HIGH Kiteworks Core OS Command Injection
CVE-2026-102125 8.8 HIGH Kiteworks Core Sandbox Escape
CVE-2026-102092 8.7 HIGH Kiteworks Core stored XSS
CVE-2026-102100 8.7 HIGH Kiteworks Core stored XSS
CVE-2026-102126 8.1 HIGH Kiteworks Core Stored Cross-site Scripting (XSS)
CVE-2026-102101 8.1 HIGH Kiteworks Core deserialization of untrusted data
CVE-2026-102118 7.8 HIGH Kiteworks Core before version 9.5.0 is vulnerable to Local Privilege Escalation
CVE-2026-102112 7.8 HIGH Kiteworks Core Local Privilege Escalation
CVE-2026-102113 7.8 HIGH Kiteworks Core Local Privilege Escalation
CVE-2026-102143 7.5 HIGH Kiteworks Email Protection Gateway Unrestricted Upload of File with Dangerous Type
CVE-2026-102128 7.5 HIGH Kiteworks Email Protection Gateway Improper Authentication

Showing top 20 of 61 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Secure Data Forms
Same vendor: Kiteworks
Same weakness: CWE-200

V. Comments for CVE-2026-102121

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