Issues

• Dependency Dashboard

  coupergateway/couper#1042 · Filter by author renovate opened on Oct 9, 2026

• Metrics: *_duration_seconds histograms cannot answer a quantile — the SDK default buckets assume milliseconds

  coupergateway/couper#1010 · Filter by author rolmski opened on Sep 10, 2026

• Dial-time egress IP filtering for backends (deny_private_networks / denied_networks)

  enhancement
  coupergateway/couper#984 · Filter by author malud opened on Jul 23, 2026

• No error_handler can catch the configuration error raised when a backend origin evaluates to an empty string

  coupergateway/couper#983 · Filter by author malud opened on Jul 23, 2026

• Dynamic backend origin is evaluated per request but the transport is silently pinned to the first request's origin

  coupergateway/couper#982 · Filter by author malud opened on Jul 23, 2026

• Backend timeout default (300s) has no reliable way to be disabled for long-lived streaming connections (e.g. SSE / MCP streamable-HTTP)

  bug
  Bug

  coupergateway/couper#972 · Filter by author scaszoo opened on Jul 7, 2026
  1

  

• Support PROXY protocol (v1/v2) on listeners to recover the real client IP behind L4 load balancers

  enhancementproposal
  coupergateway/couper#970 · Filter by author malud opened on Jun 17, 2026

• Response trailers (HTTP/2 / gRPC) are dropped: proxy strips Trailer but never re-forwards them

  coupergateway/couper#968 · Filter by author malud opened on Jun 15, 2026

• OpenAPI block in backend cannot be refined.

  enhancement
  coupergateway/couper#966 · Filter by author mobilutz opened on May 18, 2026

• chore(deps): bump go to 1.26.2 and grpc to 1.79.3 for 1.14.1 patch release

  dependencies
  coupergateway/couper#940 · Filter by author malud opened on Apr 8, 2026

• grafana.json: Minor PromQL issues in Process and Access Control panels

  coupergateway/couper#933 · Filter by author malud opened on Feb 25, 2026

• Generate error_handler labels in VS Code schema automatically

  coupergateway/couper#929 · Filter by author malud opened on Feb 23, 2026

• beta feature promotion candidates

  coupergateway/couper#914 · Filter by author malud opened on Jan 28, 2026
  3

  

• New proxy attribute: unexpected_status

  coupergateway/couper#831 · Filter by author johakoch opened on Jun 29, 2024

• Validate Inline struct attributes

  coupergateway/couper#830 · Filter by author johakoch opened on Jun 22, 2024

• couper-examples test configuration edge failing

  bug
  coupergateway/couper#807 · Filter by author johakoch opened on Feb 19, 2024
  3

  

• Go back once to JWKS resource if kid is unknown

  coupergateway/couper#801 · Filter by author johakoch opened on Feb 5, 2024
  4

• Split jwt_token_invalid error type: separate error type for semantic token errors

  coupergateway/couper#795 · Filter by author johakoch opened on Jan 30, 2024
  1

• How to proxy a request while changing path prefix?

  coupergateway/couper#772 · Filter by author johakoch opened on Oct 5, 2023

• Backend react to 429 status - Too Many Requests

  proposal
  coupergateway/couper#754 · Filter by author malud opened on Apr 6, 2023

• Reference token AC

  enhancementproposaltheme/access_control
  coupergateway/couper#711 · Filter by author johakoch opened on Feb 10, 2023
  2

• Add HCL function try(), remove nilval handling

  coupergateway/couper#702 · Filter by author johakoch opened on Feb 2, 2023
  1

• Provide documentation for released versions on docs site

  coupergateway/couper#698 · Filter by author johakoch opened on Feb 1, 2023

• Watching of referenced files

  missing tests
  coupergateway/couper#697 · Filter by author alex-schneider opened on Feb 1, 2023
  3

• Throw error if COUPER_* env vars are set via environment_variables in defaults block

  theme/config
  coupergateway/couper#695 · Filter by author johakoch opened on Jan 31, 2023