CVE-2026-77354

A flaw was found in kin-openapi, a Go project for handling OpenAPI files. An unauthenticated client can exploit this vulnerability by sending a specially crafted query with a large index in a deepObject query parameter. This forces the application to allocate multi-gigabyte memory, leading to an...

Linux Distros Unpatched Vulnerability : CVE-2026-77354

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value through sliceMapToSlice in openapi3filter/reqrespdecoder.go. An attacker can force multi-gigabyte heap allocation and a denial of service by sending a deepObject query parameter with a large...

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 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...