kin-openapi Openapi3filter DoS

The vulnerability of the openapi3filter.ValidateResponse function in the kin-openapi library is related to pointer aliasing errors. Exploiting this vulnerability could allow a malicious actor to cause service failures...

kin-openapi openapi3filter: nil-pointer panic in ValidateResponse on a response header declared with content

Summary ValidateResponse panics on a nil pointer when a spec declares a response header with content instead of schema. doc.Validate accepts that document, so the crash comes from a spec the library just called valid. Same class as GHSA-jpcw-4wr7-c3vq, which covered the request-parameter case in...

GHSA-74VM-87HJ-R66F kin-openapi openapi3filter: nil-pointer panic in ValidateResponse on a response header declared with content

Summary ValidateResponse panics on a nil pointer when a spec declares a response header with content instead of schema. doc.Validate accepts that document, so the crash comes from a spec the library just called valid. Same class as GHSA-jpcw-4wr7-c3vq, which covered the request-parameter case in...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference through the ValidateResponse process when a response header is declared with content instead of schema. An attacker can cause a process crash by sending a request to an affected endpoint, resulting in a nil...

CVE-2026-100349 kin-openapi openapi3filter: nil-pointer panic in ValidateResponse on a response header declared with content

kin-openapi is a Go project for handling OpenAPI files. Prior to 0.146.0, openapi3filter.ValidateResponse passes a nil response header schema to decodeValue when an OpenAPI document declares the header with content instead of schema. The document passes validation, but every response validation f...

CVE-2026-100349 kin-openapi openapi3filter: nil-pointer panic in ValidateResponse on a response header declared with content

kin-openapi is a Go project for handling OpenAPI files. Prior to 0.146.0, openapi3filter.ValidateResponse passes a nil response header schema to decodeValue when an OpenAPI document declares the header with content instead of schema. The document passes validation, but every response validation f...

CVE-2026-100349 kin-openapi openapi3filter: nil-pointer panic in ValidateResponse on a response header declared with content

kin-openapi is a Go project for handling OpenAPI files. Prior to 0.146.0, openapi3filter.ValidateResponse passes a nil response header schema to decodeValue when an OpenAPI document declares the header with content instead of schema. The document passes validation, but every response validation f...

CVE-2026-100349

The kin-openapi Go project is vulnerable to a nil-pointer panic in the openapi3filter.ValidateResponse function in versions prior to 0.146.0 . The root cause occurs when an OpenAPI document declares a response header with content instead of a schema . Although the document passes initial validati...

CVE-2026-97394 kin-openapi: Nil-pointer dereference panic in openapi3filter for OpenAPI 3.1 array schemas missing items

kin-openapi is a Go project for handling OpenAPI files. From 0.136.0 until 0.143.0, openapi3filter accepts OpenAPI 3.1 array schemas without an items keyword and then dereferences the nil Schema.Items value while decoding application/x-www-form-urlencoded or multipart/form-data request bodies,...

CVE-2026-97394 kin-openapi: Nil-pointer dereference panic in openapi3filter for OpenAPI 3.1 array schemas missing items

kin-openapi is a Go project for handling OpenAPI files. From 0.136.0 until 0.143.0, openapi3filter accepts OpenAPI 3.1 array schemas without an items keyword and then dereferences the nil Schema.Items value while decoding application/x-www-form-urlencoded or multipart/form-data request bodies,...

CVE-2026-97394 kin-openapi: Nil-pointer dereference panic in openapi3filter for OpenAPI 3.1 array schemas missing items

kin-openapi is a Go project for handling OpenAPI files. From 0.136.0 until 0.143.0, openapi3filter accepts OpenAPI 3.1 array schemas without an items keyword and then dereferences the nil Schema.Items value while decoding application/x-www-form-urlencoded or multipart/form-data request bodies,...

Getkin Kin-OpenAPI: Improper exception handling leads to vulnerabilities

The getkin kin-openapi versions before 0.136.0 to 0.143.0 have a vulnerability due to improper handling of exceptions. This vulnerability stems from the openapi3filter accepting OpenAPI 3.1 array formats that lack the items keyword. When decoding request bodies, response headers, and other array...