EUVD-2026-102143

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 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 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

The kin-openapi Go project (versions 0.136.0 through 0.143.0 ) contains a nil-pointer dereference vulnerability in the openapi3filter component. This occurs when the application processes OpenAPI 3.1 array schemas that lack the items keyword. During the decoding of application/x-www-form-urlencod...

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-2026-100347: Improper Input Validation

kin-openapi is a Go project for handling OpenAPI files. Prior to 0.145.0, openapi3filter.ValidationHandler uses the routers/legacy router, which passes an unsupported or non-canonical HTTP method for an existing static path to openapi3.PathItem.GetOperation. The default branch of GetOperation...

CVE-2026-100352: Improper Check for Unusual or Exceptional Conditions

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-2026-100349: NULL Pointer Dereference

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...

PT-2026-114978

Name of the Vulnerable Software and Affected Versions kin-openapi versions prior to 0.145.0 Description An unauthenticated remote client can trigger a denial of service by sending an unsupported or non-canonical HTTP method such as PROPFIND or lowercase get to an existing static path. The...

CVE-2026-100348: NULL Pointer Dereference

kin-openapi is a Go project for handling OpenAPI files. Prior to 0.145.0, openapi3.Loader can dereference a nil SchemaRef.Value while resolving a self-referential additionalProperties JSON Reference such as a schema that points to its own additionalProperties member. Loading an attacker-controlle...

CVE-2026-97394: Uncaught Exception

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-2026-100353: NULL Pointer Dereference

kin-openapi is a Go project for handling OpenAPI files. From 0.136.0 until 0.149.0, three openapi3filter decoder paths that were missed by the fix for GHSA-p6wj-qrr4-pgh5 lack a nil-items guard for legal OpenAPI 3.1 array schemas. An unauthenticated remote client can trigger a deterministic...

PT-2026-114980

Name of the Vulnerable Software and Affected Versions kin-openapi versions prior to 0.146.0 Description In the openapi3filter.ValidateResponse function, a nil response header schema is passed to decodeValue when an OpenAPI document declares a header using content instead of a schema. Although the...

CVE-2026-100350: Uncontrolled Resource Consumption

kin-openapi is a Go project for handling OpenAPI files. From 0.145.0 until 0.146.0, openapi3filter repeatedly calls regexp.MustCompile for the same parameter-name regular expression inside the per-query-key loop in urlValuesDecoder.DecodeObject used to decode a deepObject query parameter. An...

PT-2026-115010

Name of the Vulnerable Software and Affected Versions kin-openapi versions prior to 0.149.0 Description Runtime request, response, and direct schema validation lack cycle detection when an allOf, anyOf, or oneOf chain refers back to an ancestor schema. While loading and document validation accept...

CVE-2026-100351: Authentication Bypass by Alternate Name

kin-openapi is a Go project for handling OpenAPI files. From 0.144.0 until 0.147.0, openapi3filter.ValidationHandler validates an operation selected from decoded URL.Path while a downstream gorilla/mux router configured with UseEncodedPath can dispatch a different operation selected from...

CVE-2026-100354: Uncontrolled Recursion

kin-openapi is a Go project for handling OpenAPI files. Prior to 0.149.0, runtime request, response, and direct schema validation lacks cycle detection when an allOf, anyOf, or oneOf chain refers back to an ancestor schema, even though loading and document validation accept the circular reference...

PT-2026-114979

Name of the Vulnerable Software and Affected Versions kin-openapi versions prior to 0.145.0 Description Loading an attacker-controlled OpenAPI document through LoadFromData, LoadFromFile, or LoadFromURI can cause the loading process to panic. This occurs because the openapi3.Loader can dereferenc...