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        "state": "PUBLISHED",
        "assignerShortName": "openjs",
        "dateReserved": "2026-09-03T11:39:08.481Z",
        "datePublished": "2026-09-04T09:15:51.216Z",
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                    "value": "@fastify/middie versions >= 9.1.0 and before 9.3.4 decide whether to run path-scoped middleware by matching against the raw request target, while the Fastify router resolves an absolute-form request target to its path before dispatching. Because the two layers evaluate different strings, a request using an absolute-form target reaches the route handler while the path-scoped middleware, such as authentication or authorization, is skipped. An unauthenticated network attacker can use this to bypass path-based access controls in a Fastify application that relies on middie for those controls. Users should upgrade to @fastify/middie 9.3.4 or later.",
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                            "value": "@fastify/middie versions >= 9.1.0 and before 9.3.4 decide whether to run path-scoped middleware by matching against the raw request target, while the Fastify router resolves an absolute-form request target to its path before dispatching. Because the two layers evaluate different strings, a request using an absolute-form target reaches the route handler while the path-scoped middleware, such as authentication or authorization, is skipped. An unauthenticated network attacker can use this to bypass path-based access controls in a Fastify application that relies on middie for those controls. Users should upgrade to @fastify/middie 9.3.4 or later."
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                            "version": "9.1.0",
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            "references": [
                {
                    "url": "https://github.com/fastify/middie/security/advisories/GHSA-hx87-8wv7-pjv8"
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                {
                    "url": "https://cna.openjsf.org/security-advisories.html"
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                    "value": "mcollina"
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            "title": "@fastify/middie vulnerable to path-scoped middleware bypass via absolute-form request target",
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                        {
                            "cweId": "CWE-436",
                            "lang": "en",
                            "description": "CWE-436: Interpretation Conflict",
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