CVE-2026-100352 kin-openapi: YAML NaN/Inf Values Bypass Built-in Guards and Panic via OAS 3.1 Validation Path

kin-openapi is a Go project for handling OpenAPI files. Prior to 0.148.0, the OpenAPI 3.1 validation path passes YAML NaN and infinity numeric values to santhosh-tekuri/jsonschema v6.0.2 without applying kin-openapi's existing finite-number guards. A remote unauthenticated client can send an...

CVE-2026-100352

The kin-openapi Go project (prior to version 0.148.0 ) is vulnerable to a denial-of-service condition during OpenAPI 3.1 validation . The root cause is that the validation path passes YAML NaN and infinity numeric values (.nan, .inf, -.inf) to the santhosh-tekuri/jsonschema v6.0.2 dependency with...