점검 대응긴급KEV 미등록
CVE-2026-14198
@fastify/middie @fastify/middie, fastify/middie 취약점
@fastify/middie versions 9.1.0 through 9.3.2 decode the encoded slash %2F inside path parameter values before matching middleware paths, while Fastify's underlying router preserves the encoding during route lookup. The two layers disagree on the canonical request path, so the middleware fails to match a URL that the route handler does match. When middleware is used for authentication, authorization, rate limiting, or auditing on parameterized paths, an attacker can reach the protected handler by sending a single crafted URL with an encoded slash in the parameter position. The bypass is HTTP...
- 대응 우선순위
- 점검
- CVSS
- 9.1
- EPSS
- 0.30% 백분위 22.2% · 2026.08.03 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.07.01