CVE-2026-15074— Fastify static 路径遍历漏洞

@fastify/static vulnerable to route guard bypass via path traversal

@fastify/static up to and including version 10.1.0 fails to reject dot-dot path segments in request pathnames before the file-resolution stage. This is a bypass of the earlier fix for CVE-2026-6414, which only covered encoded forward slashes. Because the underlying send library normalizes dot segments before applying its own path-traversal guard, an unauthenticated attacker can bypass any route-scoped middleware and read files inside the static root that live under the guarded URL prefix. The bypass does not allow access outside the configured static root by itself, it defeats route-guard filtering only. The issue is patched in @fastify/static 10.1.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

对路径名的限制不恰当(路径遍历)

Fastify static 路径遍历漏洞

Fastify static是Fastify组织的一个威胁情报网络辅助工具。 Fastify static 10.1.0及之前版本存在路径遍历漏洞，该漏洞源于文件解析前未能拒绝请求路径名中的点-点路径段，导致未经身份验证的攻击者可以绕过基于路由路径限制的中间件，读取受保护URL前缀下的文件。

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