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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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4 advisories

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@fastify/express's middleware path doubling causes authentication bypass in child plugin scopes Critical
CVE-2026-33807 was published for @fastify/express (npm) Apr 16, 2026
FredKSchott Credited to FredKSchott, mcollina, UlisesGascon, and climba03003 mcollina mcollina
UlisesGascon UlisesGascon climba03003 climba03003
@fastify/express has a middleware authentication bypass via URL normalization gaps (duplicate slashes and semicolons) Critical
CVE-2026-33808 was published for @fastify/express (npm) Apr 16, 2026
FredKSchott Credited to FredKSchott, mcollina, UlisesGascon, and climba03003 mcollina mcollina
UlisesGascon UlisesGascon climba03003 climba03003
Official Clerk JavaScript SDKs: Middleware-based route protection bypass Critical
CVE-2026-41248 was published for @clerk/astro (npm) Apr 16, 2026
YouGina Credited to YouGina
@fastify/middie vulnerable to middleware authentication bypass in child plugin scopes Critical
CVE-2026-6270 was published for @fastify/middie (npm) Apr 16, 2026
FredKSchott Credited to FredKSchott, climba03003, and UlisesGascon climba03003 climba03003
UlisesGascon UlisesGascon
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