Copilot Responses connection-scoped ID replay bug
Cluster 32716 · agent. Data as of
Nothing open on GitHub. Fix merged in #62495 on 11 Jul 2026. Check it covers your case.
The short answer
- Known?
- Yes. 4 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #62495. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #62495. That is separate from the fix event. - Still open
- Nothing open on GitHub.
A bug where message-item IDs from one Copilot Responses API connection are incorrectly replayed on a different connection or credential, causing 401 errors. The members cover the bug report and multiple fix attempts addressing ID stripping or prevention on replay.
Open issues0
Open PRs0
Fixes on record
-
#62495 fix(codex): prevent connection-scoped Copilot ID replay
files:
agent/auxiliary_client.py,agent/codex_responses_adapter.py,agent/conversation_loop.py,agent/transports/codex.py,tests/agent/test_auxiliary_client.py,tests/agent/test_codex_responses_adapter.py,tests/agent/transports/test_codex_transport.py,tests/run_agent/test_run_agent_codex_responses.py
2 PRs closed without merging
From the close comments: merged via another change 1 · stale or abandoned 1
Closed issues · 1
- Closed#32716[Bug]: Copilot Responses API 401 'input item ID does not belong to this connection' on assistant codex_message_items replay across credential/connection changes
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.50: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- agent
- Merged PRs
- #62495
- Closed issues
- 1
- Attempts
- 2 PRs closed without merging
- Fix link checked
- 11 Jul 2026