Improper Validation of Specified Type of Input

Overview fastify is an overhead web framework, for Node.js. Affected versions of this package are vulnerable to Improper Validation of Specified Type of Input via the request validation path in lib/validation.js. An attacker can bypass body schema type enforcement by sending a root-level primitiv...

Fastify has a Body Schema Validation Bypass via Leading Space in Content-Type Header

Summary A validation bypass vulnerability exists in Fastify v5.x where request body validation schemas specified via schema.body.content can be completely circumvented by prepending a single space character \x20 to the Content-Type header. The body is still parsed correctly as JSON or any other...

GHSA-247C-9743-5963 Fastify has a Body Schema Validation Bypass via Leading Space in Content-Type Header

Summary A validation bypass vulnerability exists in Fastify v5.x where request body validation schemas specified via schema.body.content can be completely circumvented by prepending a single space character \x20 to the Content-Type header. The body is still parsed correctly as JSON or any other...

CVE-2026-33806 fastify vulnerable to Body Schema Validation Bypass via Leading Space in Content-Type Header

Impact: Fastify applications using schema.body.content for per-content-type body validation can have validation bypassed entirely by prepending a space to the Content-Type header. The body is still parsed correctly but schema validation is skipped. This is a regression introduced in fastify = 5.3...

CVE-2022-25757

In Apache APISIX before 2.13.0, when decoding JSON with duplicate keys, lua-cjson will choose the last occurred value as the result. By passing a JSON with a duplicate key, the attacker can bypass the bodyschema validation in the request-validation plugin. For example,...

Apache Apisix 输入验证错误漏洞

Apache Apisix is a cloud-native microservices API gateway service from the Apache Foundation. The software is based on OpenResty and etcd, with dynamic routing and plugin hot-loading for API management in microservices systems. An attacker could use this vulnerability to bypass the bodyschema...

PT-2022-17492 · Apache · Apache Apisix

Name of the Vulnerable Software and Affected Versions: Apache APISIX versions prior to 2.13.0 Description: The issue allows an attacker to bypass body schema validation in the request-validation plugin by passing a JSON with a duplicate key. This can be achieved by sending a JSON payload such as...