Issues

• Always serves spec with dereferenced entities

  spec-first/connexion#2127 · Filter by author chbndrhnns opened on Jun 22, 2026

• Arbitrary Code Execution via x-bearerInfoFunc in Connexion

  spec-first/connexion#2121 · Filter by author aydinnyunus opened on May 21, 2026
  2

• Consistency between fallback of RequestValidation Middleware and Lifecycle

  spec-first/connexion#2117 · Filter by author AntoineDuComptoirDesPharmacies opened on Apr 23, 2026

• breaking changes introduced by starlette==1.0.0

  spec-first/connexion#2114 · Filter by author yousefnami-sketch opened on Mar 24, 2026
  4

• jsonschema.RefResolver is deprecated as of v4.18.0, in favor of the https://github.com/python-jsonschema/referencing library

  spec-first/connexion#2113 · Filter by author ioggstream opened on Mar 12, 2026
  2

• _uri_to_path produces erroneous result on windows

  spec-first/connexion#2109 · Filter by author UllrichMartini opened on Mar 3, 2026

• Search all registered APIs when matching a request path

  spec-first/connexion#2108 · Filter by author damienklotz77 opened on Jan 26, 2026
  2

• Understanding Connexion’s intended use cases and throughput characteristics

  spec-first/connexion#2107 · Filter by author mehdihasan opened on Jan 23, 2026
  4

• spec-first/connection does not respond correctly if the openapi are added in a certain order

  spec-first/connexion#2106 · Filter by author damienklotz77 opened on Jan 21, 2026
  10

• Response header values are not validated against their schema when validate_responses=True

  spec-first/connexion#2104 · Filter by author debopam-roy opened on Jan 10, 2026
  1

• Swagger UI doesn't work with split specs (connexion 3.3.0)

  spec-first/connexion#2102 · Filter by author gassho opened on Dec 2, 2025
  10

• "Circular reference detected" when requesting the swagger.json file

  spec-first/connexion#2095 · Filter by author RobertBlackhart opened on Oct 27, 2025
  3

• Accessing request.state in manually routed function throws: RuntimeError: Working outside of operation context.

  spec-first/connexion#2094 · Filter by author philippdieter opened on Oct 24, 2025

• Swagger UI is broken in 2.15 version

  spec-first/connexion#2093 · Filter by author ykharko opened on Oct 23, 2025
  7

• (v2) readOnly fields are blocked in request body when they shouldn't be

  spec-first/connexion#2084 · Filter by author chrisinmtown opened on Oct 5, 2025
  1

• Misleading error when registering multiple APIs: "name is already registered for a different blueprint"

  spec-first/connexion#2081 · Filter by author giuliohome opened on Sep 12, 2025
  5

• FlaskApp significantly slow compared to AsyncApp or Flask with gevent

  spec-first/connexion#2077 · Filter by author pradhan-v opened on Aug 23, 2025
  8

• Middleware : Exception caught where it souldn't

  spec-first/connexion#2074 · Filter by author LiteApplication opened on Aug 7, 2025
  7

• Parameters at path and request level cause swagger UI to break

  spec-first/connexion#2072 · Filter by author joshsmoore opened on Aug 5, 2025
  1

• File upload endpoint consumes a lot of memory.

  spec-first/connexion#2062 · Filter by author athujoshi24 opened on Jul 8, 2025
  8

• TypeError in ServerErrorMiddleware (error_response shouldn't be async)

  spec-first/connexion#2059 · Filter by author jcristau opened on Jul 1, 2025
  5

• "Multiple response content types" error trying to define application/octet-stream response content (v3)

  spec-first/connexion#2054 · Filter by author alanbchristie opened on May 30, 2025
  3

• Performance of the Server tanked after upgrading to Connexion 3.x (Flask)

  spec-first/connexion#2045 · Filter by author Aakarshit-Sharma19 opened on Apr 4, 2025
  6

• Flask Blueprints before_request not executed for call with bodies

  spec-first/connexion#2044 · Filter by author jledrumics opened on Mar 28, 2025

• Why is connexion.middleware.routing:RoutingOperation logged when instrumenting?

  spec-first/connexion#2042 · Filter by author JoelPelaezP opened on Mar 19, 2025
  4