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CVE-2026-102139— Kiteworks Email Protection Gateway Incorrect Authorization

一分钟漏洞结论

影响对象
Kiteworks Email Protection Gateway
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Kiteworks 邮件防护网关的大文件传输功能中的授权检查未能正确验证请求用户是否为所请求包（package）的参与方。该可选功能的已认证用户可以读取其既未发送也未接收的包的邮件主题、正文内容及附件。

CVSS 6.5 · Medium
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一、 漏洞 CVE-2026-102139 基础信息

漏洞信息
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Vulnerability Title
Kiteworks Email Protection Gateway Incorrect Authorization
来源: CVE Program / CVE List V5
Vulnerability Description
An authorization check in the large file exchange feature of Kiteworks Email Protection Gateway did not correctly establish that the requesting user was a party to the package being requested. An authenticated user of that optional feature could read the subject, message body, and attachments of packages they neither sent nor received.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
Kiteworks Email Protection Gateway 0 ~ 9.5.1 -

二、漏洞 CVE-2026-102139 的公开POC

# POC 描述 源链接 神龙链接
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三、漏洞 CVE-2026-102139 的情报信息

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CVE-2026-102139 其他参考 (2)

同批安全公告 · Kiteworks · 2026-09-30 · 共 61 条

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-2026-102105 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-2026-102095 9.1 CRITICAL Kiteworks Email Protection Gateway server-side request forgery
CVE-2026-102104 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-2026-102125 8.8 HIGH Kiteworks Core Sandbox Escape
CVE-2026-102120 8.8 HIGH Kiteworks Core OS Command Injection
CVE-2026-102092 8.7 HIGH Kiteworks Core stored XSS
CVE-2026-102100 8.7 HIGH Kiteworks Core stored XSS
CVE-2026-102121 8.6 HIGH Kiteworks Secure Data Forms Exposure of Sensitive Information to an Unauthorized Actor
CVE-2026-102101 8.1 HIGH Kiteworks Core deserialization of untrusted data
CVE-2026-102126 8.1 HIGH Kiteworks Core Stored Cross-site Scripting (XSS)
CVE-2026-102113 7.8 HIGH Kiteworks Core Local Privilege Escalation
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-2026-102128 7.5 HIGH Kiteworks Email Protection Gateway Improper Authentication

显示前 20 条，共 61 条。 查看全部 → →

IV. Related Vulnerabilities

Same product: Email Protection Gateway
Same vendor: Kiteworks
Same weakness: CWE-639

V. Comments for CVE-2026-102139

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