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I. Basic Information for CVE-2026-25577
Vulnerability Information

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Vulnerability Title
Emmett has an Unhandled CookieError Exception Causing Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Emmett is a framework designed to simplify your development process. Prior to 1.3.11, the cookies property in mmett_core.http.wrappers.Request does not handle CookieError exceptions when parsing malformed Cookie headers. This allows unauthenticated attackers to trigger HTTP 500 errors and cause denial of service. This vulnerability is fixed in 1.3.11.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未捕获的异常
Source: NVD (National Vulnerability Database)
Vulnerability Title
Emmett-Core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Emmett-Core是Emmett开源的一个Emmett框架核心库。 Emmett-Core 1.3.11之前版本存在安全漏洞,该漏洞源于解析畸形Cookie标头时未处理CookieError异常,可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
emmett-frameworkcore < 1.3.11 -
II. Public POCs for CVE-2026-25577
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III. Intelligence Information for CVE-2026-25577
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