Auth issue impacted GitHub APIs and some Slack and Teams subscriptions
Original: Accidentally deleted subscriptions for chat integrations (Slack and MS Teams)
A GitHub auth incident briefly affected APIs and some Slack and Teams repository subscriptions.
GitHub resolved an incident on June 5, 2026 involving incorrect authorization failures for some authenticated requests. During 14:49-16:45 UTC, a small number of endpoints saw a 1-2% increase in 4xx responses, while most requests completed normally. The issue was tied to a recently enabled feature flag, which GitHub disabled; affected Slack and Teams subscriptions were later restored.
這起 GitHub 服務事件主要不是 AI 模型或開發工具的新功能，而是一起平台可靠性事故。根據 GitHub Status 頁面，事件發生在 2026 年 6 月 5 日，最初被描述為部分 GitHub 服務效能受影響，隨後 GitHub 補充說明，使用者可能會在 Slack 或 Microsoft Teams 頻道中看到非預期的 repository 取消訂閱事件。後續更新指出，這些聊天整合訂閱異常與同一個授權問題有關。
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