CVE Watch23 jul 2026

CVE-2026-7120

@fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate path separators in the pathname used for fi

CVSS

5.3

Medio

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 23 jul 2026 · Última mod.: 23 jul 2026 · CWE-180

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

@fastify/static evaluates the allowedPath callback before normalizing dot segments and duplicate path separators in the pathname used for file resolution. Versions up to and including 10.1.1 are affected. An unauthenticated attacker can bypass allowedPath restrictions by requesting equivalent non-canonical pathnames, causing files that were intended to be denied to be served anyway. The bypass does not allow access outside the configured static root by itself, it defeats path-based filtering only. The issue is patched in @fastify/static 10.1.2.

Referencias oficiales

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