CVE-2026-84504

fastify versions before 5.12.2 treat the object resolved by a successful Ajv async validator as the value result protocol used by custom validator compilers. If a request that passes its route schema contains a property named value at the root, fastify replaces the entire request body with that...

CVE-2026-84504

fastify versions before 5.12.2 are vulnerable to a request body replacement flaw caused by an Ajv async validator result collision. When a request that passes its route schema contains a root-level property named value, fastify treats that property as the value result protocol used by custom vali...

EUVD-2026-70984

fastify versions before 5.12.2 treat the object resolved by a successful Ajv async validator as the value result protocol used by custom validator compilers. If a request that passes its route schema contains a property named value at the root, fastify replaces the entire request body with that...

Inefficient Regular Expression Complexity in yiminghe/async-validator

✍️ Description It allows cause a denial of service when validating crafted invalid URLs. 🕵️‍♂️ Proof of Concept // PoC.js var asyncValidator = require"async-validator" const validator = new asyncValidator.default v: type: 'url', , forvar i = 1; i = 50000; i++ var time = Date.now; var attackstr =...