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CVE-2026-33804

1 advisory.

npm/@fastify/middie CVE-2026-33804: high 7.4, EPSS 0.49%

@fastify/middie vulnerable to middleware bypass via deprecated ignoreDuplicateSlashes option

Action: Upgrade @fastify/middie to 9.3.2 or later.

npm i @fastify/middie@9.3.2

Affected

introducedfixedlast affected
09.3.2-

Fixed versions

9.3.2

Sources

CVE-2026-33804 · published · modified · JSON