GO-2026-6275 kin-openapi has uncontrolled resource consumption in openapi3filter deepObject query parameter decoding in github.com/getkin/kin-openapi

kin-openapi has uncontrolled resource consumption in openapi3filter deepObject query parameter decoding in github.com/getkin/kin-openapi...

GHSA-XHJ3-7XW9-VR34 kin-openapi has uncontrolled resource consumption in openapi3filter deepObject query parameter decoding

Summary An uncontrolled resource consumption vulnerability in openapi3filter lets any unauthenticated client force multi-gigabyte heap allocation with a single, tiny HTTP request. When a spec declares a deepObject-style query parameter whose schema contains an array a normal, documented pattern,...

kin-openapi has uncontrolled resource consumption in openapi3filter deepObject query parameter decoding

Summary An uncontrolled resource consumption vulnerability in openapi3filter lets any unauthenticated client force multi-gigabyte heap allocation with a single, tiny HTTP request. When a spec declares a deepObject-style query parameter whose schema contains an array a normal, documented pattern,...

CVE-2026-77354 kin-openapi: Uncontrolled resource consumption in openapi3filter deepObject query parameter decoding

kin-openapi is a Go project for handling OpenAPI files. From 0.124.0 until 0.142.0, openapi3filter.sliceMapToSlice in openapi3filter/reqrespdecoder.go converts attacker-controlled sparse indexes from a deepObject query parameter into a dense slice by allocating entries from zero through the large...

CVE-2026-77354

kin-openapi (Go library for OpenAPI file handling) versions 0.124.0 through 0.142.0 are affected by an uncontrolled resource consumption vulnerability in openapi3filter.sliceMapToSlice (req_resp_decoder.go). The function converts attacker-controlled sparse indexes from a deepObject query paramete...