Issues

• [Bug]: cannot import name 'Spec' from 'openapi_core' version 0.23.1

  kind/bug
  python-openapi/openapi-core#1225 · Filter by author LaundryPizza03 opened on Sep 19, 2026
  2

• [Bug]: allOf in a request body silently drops fields for x-www-form-urlencoded requests

  kind/bug
  python-openapi/openapi-core#1212 · Filter by author hanyucrocks opened on Jul 7, 2026

• [Bug]: Query parameter validation fails to match empty string when listed as a valid enum value

  kind/bug
  python-openapi/openapi-core#1210 · Filter by author Youssef1313 opened on Jul 2, 2026

• Unable to install along with the latest openapi-schema-validator

  kind/bug
  python-openapi/openapi-core#1188 · Filter by author janhn opened on May 29, 2026
  2

• [Bug]: OAS 3.1 list-style "type" raises in SchemaCaster and StyleDeserializersFactory

  kind/bug/confirmedkind/bug
  python-openapi/openapi-core#1180 · Filter by author litteratum opened on May 14, 2026
  3

• [Bug]: Schemas in query parameters don't work

  kind/bug
  python-openapi/openapi-core#1022 · Filter by author j616 opened on Aug 21, 2025
  7

• [Bug]: docs links sometimes have incorrect extension

  area/documentationkind/bug/confirmedkind/bug
  python-openapi/openapi-core#881 · Filter by author Lewiscowles1986 opened on Jul 31, 2024

• [Bug]: TestSearch.test_chars_valid test failure

  kind/bug
  python-openapi/openapi-core#855 · Filter by author Thermi opened on Jun 17, 2024
  1

• [Bug]: Mutual exclusion by use of additionalProperties: false across union types

  kind/bug
  python-openapi/openapi-core#803 · Filter by author segfault87 opened on Mar 4, 2024
  1

• [Bug]: Chunked request in requestes

  kind/bug/confirmedkind/bug
  python-openapi/openapi-core#580 · Filter by author jitka opened on May 25, 2023
  1

• How to customize API validation error response in Flask

  area/documentationkind/bugkind/missing-implementation
  python-openapi/openapi-core#564 · Filter by author rohan-97 opened on Apr 27, 2023
  2

• [Bug]: minItems and maxItems are not validated

  kind/bug
  python-openapi/openapi-core#558 · Filter by author jitka opened on Apr 14, 2023
  1

• [Bug]: Chunked request from request libraly

  kind/bug/confirmedkind/bug
  python-openapi/openapi-core#554 · Filter by author jitka opened on Apr 11, 2023
  3