Issues

• Bug: multiple cookie headers are not parsed into Request.cookies

  Bug 🐛
  litestar-org/litestar#5177 · Filter by author bfrascher opened on Oct 29, 2026
  2

• Bug: ServerSideSessionBackend fails to expire session cookie on clear_session() due to Max-Age overriding Expires=0

  Bug 🐛
  litestar-org/litestar#5171 · Filter by author MortezaKarimi77 opened on Oct 28, 2026
  2

• Bug: MutableScopeHeaders.__setitem__ fails when replacing 3+ duplicate headers (IndexError / drops wrong headers)

  Bug 🐛
  litestar-org/litestar#5147 · Filter by author bbbbbbbbbbb114 opened on Oct 25, 2026
  3

• Bug: TypeError in CORS middleware with multidict 7.2.0 ("ctor requires CIMultiDict or CIMultiDictProxy instance, not <class 'list'>")

  Bug 🐛
  litestar-org/litestar#5145 · Filter by author s-toufik opened on Oct 24, 2026
  1

• Bug: NamedDependency default with no provider is read from the query string

  litestar-org/litestar#5136 · Filter by author digit50 opened on Oct 16, 2026

• Bug: Body(...) settings around MultipartBody[T] are silently ignored

  litestar-org/litestar#5135 · Filter by author digit50 opened on Oct 16, 2026
  3

• Bug: missing field of a msgspec Struct dependency gives 500, not 400

  litestar-org/litestar#5134 · Filter by author digit50 opened on Oct 16, 2026
  1

• Bug: union fields are emitted as oneOf, so overlapping unions reject valid values

  Bug 🐛
  litestar-org/litestar#5131 · Filter by author sh-rp opened on Oct 15, 2026
  2

• Bug: Parameter constraints are not enforced through a type alias, union or NewType

  Bug 🐛
  litestar-org/litestar#5127 · Filter by author jaens opened on Oct 12, 2026

• Bug: Pydantic field descriptions leak into shared OpenAPI components depending on handler order

  litestar-org/litestar#5121 · Filter by author awoimbee opened on Oct 7, 2026

• Bug: OpenTelemetry sets http.route to "{method} {raw path}" instead of the route template

  litestar-org/litestar#5120 · Filter by author personage-hub opened on Oct 7, 2026
  4

• TDK CLI integration: run a Litestar app in a TDK landscape

  litestar-org/litestar#5111 · Filter by author kburym opened on Oct 1, 2026

• Bug: DTO nested models of the same type get colliding names, exposing module path in OpenAPI component names

  litestar-org/litestar#5102 · Filter by author jeongeundev opened on Sep 29, 2026

• Bug: Default response cache keys collide across path and query boundaries

  Bug 🐛
  litestar-org/litestar#5100 · Filter by author HassanRady opened on Sep 29, 2026

• Bug: Accept.best_match() ignores q=0, returning media types the client explicitly marked unacceptable

  Bug 🐛
  litestar-org/litestar#5072 · Filter by author aviralsaxena16 opened on Sep 12, 2026

• msgspec.Meta constraints on collection/mapping members are silently dropped in DTO transfer models (same root cause as #5031)

  litestar-org/litestar#5051 · Filter by author blockgroot opened on Sep 7, 2026

• Bug: OpenAPI spec generation returns wrong type for IPv4Network and IPv6Network types

  Bug 🐛
  litestar-org/litestar#5049 · Filter by author takeda opened on Sep 7, 2026
  3

• Bug: msgspec.Meta getting lost silently if field in Struct typed as union type of 2 and more types where one with Meta

  Bug 🐛
  litestar-org/litestar#5031 · Filter by author happykust opened on Sep 1, 2026

• Bug: Regression - Setting min_length on Optional str types causes 500 error

  Bug 🐛
  litestar-org/litestar#5025 · Filter by author bdoms opened on Aug 29, 2026
  1

• Bug: chunked client-side session cookies exceed RFC 6265's 4096-byte limit

  Bug 🐛
  litestar-org/litestar#5021 · Filter by author gbmerrall opened on Aug 27, 2026

• Bug: Error message suggests FromQuery for path parameter defaults

  Bug 🐛
  litestar-org/litestar#5018 · Filter by author Sharawey74 opened on Aug 26, 2026

• Bug(channels): deadlock when history exceeds subscriber_max_backlog with "backoff" strategy

  Bug 🐛
  litestar-org/litestar#5011 · Filter by author Vitaly312 opened on Aug 21, 2026

• Bug(channels): single exception in backend.publish breaks all subsequent events publishing

  Bug 🐛
  litestar-org/litestar#5008 · Filter by author Vitaly312 opened on Aug 19, 2026

• Enhancement: Use redis GETEX in RedisStore.get for renew_for functionality on redis 6.2+

  EnhancementGood First Issue
  litestar-org/litestar#4993 · Filter by author provinzkraut opened on Aug 16, 2026
  6

• Enhancement: Support redis hashes with field expiration for namespaced RedisStores on redis 7.4+

  EnhancementGood Intermediate Issue
  litestar-org/litestar#4992 · Filter by author provinzkraut opened on Aug 16, 2026
  2