Cairn

MCP OAuth identity isolation across multiplexed profiles

NousResearch/hermes-agent · cluster 109422

Data as of

Nothing open on GitHub. Fix merged in #110193. Check it covers your case.

The short answer

0open issues
0open PRs
6items grouped
Known?
Yes. 6 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #110193. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #110193. That is separate from the fix event.
Still open
Nothing open on GitHub.

These issues and pull requests concern a bug where multiplexed profiles sharing an OAuth or mTLS MCP server URL could silently adopt each other's authenticated connections or identities. The work focuses on isolating OAuth connections, sessions, and served-profile status per profile.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

  • #110193 MCP connections authenticated by OAuth or mTLS are no longer adopted across multiplexed profiles (#109422, #109429; salvage #109428, #109434, #110021)

    merged to main

    files: tests/tools/test_mcp_multiplex_connection_keys.py, tools/mcp_tool_registration.py, website/docs/reference/mcp-config-reference.md, website/docs/user-guide/multi-profile-gateways.md

  • #110271 Multiplexed profiles keep their own sessions, MCP identities and served-profile status (post-merge reviews on #108294/#108352; salvage #109428 #109434 #109483 #110167 #109930)

    merged to main

    files: gateway/run.py, gateway/run_adapters.py, gateway/run_notifications.py, gateway/run_profile_reconcile.py, gateway/run_turn.py, gateway/session.py, gateway/session_recovery.py, gateway/status.py, hermes_cli/gateway.py, hermes_cli/gateway_migrate.py, hermes_cli/gateway_multiplex_served.py, hermes_cli/goals.py, hermes_cli/update_inventory.py, hermes_cli/web_routers/mcp.py, tests/gateway/test_multiplex_adapter_registry.py, tests/gateway/test_multiplex_lifecycle.py, tests/gateway/test_multiplex_mcp_discovery.py, tests/gateway/test_multiplex_secondary_port_binding_env.py, tests/gateway/test_multiplex_session_db_profile_scope.py, tests/hermes_cli/test_gateway_migrate_multiplex.py (+18 more)

3 PRs closed without merging

From the close comments: done elsewhere 2 · duplicate 1

  • #109428 fix(mcp): isolate OAuth connections by profile (fixes #109422) · done elsewhere → 630a4eb, #110193
  • #109430 fix(mcp): isolate OAuth connections by profile · duplicate → #109428, #109422
  • #110021 fix(mcp): a profile no longer adopts another profile's OAuth connection (#109422, salvage #109428) · done elsewhere → 630a4eb, #110193
Closed issues · 1
  • Closed#109422Multiplexed profiles sharing an OAuth MCP server URL silently adopt each other's authenticated identity
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 0.33: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Merged PRs
#110193, #110271
Closed issues
1
Attempts
3 PRs closed without merging
Fix link checked
13 Sep 2026

For your agent

The same facts, typed.

cluster/109422.json
cluster/109422.md