CVE-2025-59139— Hono 安全漏洞
一分钟漏洞结论
影响对象
honojs hono
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。
Hono是Hono社区的一个用 TypeScript 编写的 Web 框架。 Hono 4.9.7之前版本存在安全漏洞，该漏洞源于bodyLimit中间件在处理冲突的HTTP标头时优先考虑Content-Length标头，可能导致绕过请求体大小限制，从而引发拒绝服务攻击。
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一、 漏洞 CVE-2025-59139 基础信息
漏洞信息
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Vulnerability Title
Hono has Body Limit Middleware Bypass
来源: CVE Program / CVE List V5
Vulnerability Description
Hono is a Web application framework that provides support for any JavaScript runtime. In versions prior to 4.9.7, a flaw in the `bodyLimit` middleware could allow bypassing the configured request body size limit when conflicting HTTP headers were present. The middleware previously prioritized the `Content-Length` header even when a `Transfer-Encoding: chunked` header was also included. According to the HTTP specification, `Content-Length` must be ignored in such cases. This discrepancy could allow oversized request bodies to bypass the configured limit. Most standards-compliant runtimes and reverse proxies may reject such malformed requests with `400 Bad Request`, so the practical impact depends on the runtime and deployment environment. If body size limits are used as a safeguard against large or malicious requests, this flaw could allow attackers to send oversized request bodies. The primary risk is denial of service (DoS) due to excessive memory or CPU consumption when handling very large requests. The implementation has been updated to align with the HTTP specification, ensuring that `Transfer-Encoding` takes precedence over `Content-Length`. The issue is fixed in Hono v4.9.7, and all users should upgrade immediately.
来源: 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
来源: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
来源: CVE Program / CVE List V5
Vulnerability Title
Hono 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Hono是Hono社区的一个用 TypeScript 编写的 Web 框架。 Hono 4.9.7之前版本存在安全漏洞，该漏洞源于bodyLimit中间件在处理冲突的HTTP标头时优先考虑Content-Length标头，可能导致绕过请求体大小限制，从而引发拒绝服务攻击。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2025-59139 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
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IV. Related Vulnerabilities
V. Comments for CVE-2025-59139
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