CVE-2020-15366

An issue was discovered in ajv.validate in Ajv aka Another JSON Schema Validator 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. While untrusted schemas are recommended against, the worst case of an untrusted schema should be a...

CVE-2020-15366

An issue was discovered in ajv.validate in Ajv aka Another JSON Schema Validator 6.12.2. A carefully crafted JSON schema could be provided that allows execution of other code by prototype pollution. While untrusted schemas are recommended against, the worst case of an untrusted schema should be a...

Node.js third-party modules: Fastify uses allErrors: true ajv configuration by default which is susceptible to DoS

I would like to report a denial of service vulnerability in fastify It allows to cause a DoS with some schemas that were otherwise assumed to be secure against DoS by their authors Module module name: fastify version: 2.14.1, 3.0.0-rc.4 npm page: https://www.npmjs.com/package/fastify Module...

Node.js third-party modules: Arbitrary code execution via untrusted schemas in ajv

I would like to report an arbitrary code execution vulnerability in ajv. It allows to execute arbitrary code if an attacker-controlled schema is passed to the module. I have confirmed that this should be treated as a security issue. I labeled this as low because this is an unusual scenario, usual...