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CVE-2026-25223

HIGH

7.5

Descricao

Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.2, a validation bypass vulnerability exists in Fastify where request body validation schemas specified by Content-Type can be completely circumvented. By appending a tab character (\t) followed by arbitrary content to the Content-Type header, attackers can bypass body validation while the server still processes the body as the original content type. This issue has been patched in version 5.7.2.

Detalhes CVE

Pontuacao CVSS v3.17.5

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Vetor de ataqueNETWORK

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado2/3/2026

Ultima modificacao2/10/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

fastify:fastify

Fraquezas (CWE)

CWE-436

Referencias

https://fastify.dev/docs/latest/Reference/Validation-and-Serialization(security-advisories@github.com)

https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/content-type-parser.js#L125(security-advisories@github.com)

https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/validation.js#L272(security-advisories@github.com)

https://github.com/fastify/fastify/commit/32d7b6add39ddf082d92579a58bea7018c5ac821(security-advisories@github.com)

https://github.com/fastify/fastify/security/advisories/GHSA-jx2c-rxcm-jvmq(security-advisories@github.com)

https://hackerone.com/reports/3464114(security-advisories@github.com)

Correlacoes IOC

Sem correlacoes registradas

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