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CVE-2026-102144— Kiteworks Email Protection Gateway Uncontrolled Resource Consumption

Quick assessment

Affected
Kiteworks Email Protection Gateway
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.

Kiteworks 邮件防护网关中存在一个资源耗尽漏洞，允许未经身份验证的远程攻击者反复触发代价较高的服务器端操作，从而导致部分拒绝服务（DoS）。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-102144

Vulnerability Information
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Vulnerability Title
Kiteworks Email Protection Gateway Uncontrolled Resource Consumption
Source: CVE Program / CVE List V5
Vulnerability Description
A 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Kiteworks Email Protection Gateway 0 ~ 9.5.1 -

II. Public POCs for CVE-2026-102144

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III. Intelligence Information for CVE-2026-102144

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Vendor Advisories for CVE-2026-102144 (1)

Other References for CVE-2026-102144 (1)

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-2026-102121 8.6 HIGH Kiteworks Secure Data Forms Exposure of Sensitive Information to an Unauthorized Actor
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-2026-102112 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-2026-102113 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

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

IV. Related Vulnerabilities

Same product: Email Protection Gateway
Same vendor: Kiteworks
Same weakness: CWE-306

V. Comments for CVE-2026-102144

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