NousResearch/hermes-agent

Anthropic OAuth auth fixes and concurrency issues

Cluster 87889 · agent/secret sources. Data as of 2026-10-27 11:58 UTC

1 open item. Fix merged in #98245 on 30 Aug 2026. Check it covers your case.

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Known?: Yes. 3 related items grouped here, 0 issues already closed.
Fix event: A fix was merged to main in PR #98245. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this unresolved. That is separate from the fix event.
Still open: 1 issue and 0 PRs.

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These items address several bugs in the Anthropic OAuth implementation, including a CSRF vulnerability, a cross-process token refresh race, API-key shadowing, misuse of single-use tokens, and an unhandled PermissionError in the auth store lock under Windows concurrency.

Open issues1

Issue#87889_auth_store_lock() can raise an unhandled PermissionError under real concurrency on Windows

Open PRs0

No open pull requests.

Fixes on record

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

#98245 Anthropic OAuth: shared-credential refreshes stop burning single-use tokens; dashboard PKCE removed (salvage #87891)

merged to main

files: agent/anthropic_adapter.py, agent/anthropic_credentials.py, agent/anthropic_endpoints.py, agent/anthropic_message_convert.py, agent/auxiliary_client.py, agent/credential_persistence.py, agent/credential_pool.py, hermes_cli/auth.py, hermes_cli/web_server.py, tests/agent/test_anthropic_adapter.py, tests/agent/test_anthropic_borrowed_row_authority.py, tests/agent/test_anthropic_credential_persist_failure.py, tests/agent/test_anthropic_keychain.py, tests/agent/test_anthropic_oauth_stress.py, tests/agent/test_anthropic_spent_rotation_verdict.py, tests/agent/test_anthropic_token_scope_isolation.py, tests/agent/test_auxiliary_client.py, tests/agent/test_credential_pool.py, tests/agent/test_credential_pool_anthropic_refresh_race.py, tests/agent/test_credential_pool_oat_authtype.py (+9 more)

1 PR closed without merging

From the close comments: merged via another change 1

#87891 fix(auth): close Anthropic OAuth CSRF gap, cross-process refresh race, and API-key shadowing · merged via another change → b4403a9, #98245, #95434

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At a glance

Subsystem: agent/secret sources
Merged PRs: #98245
Closed issues: 0
Attempts: 1 PR closed without merging
Fix link checked: 30 Aug 2026

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