Claude reported elevated errors affecting authentication on November 13, 2026, and said it was investigating the problem. Users may have trouble signing in to Claude.ai and Claude Code, while the incident’s listed scope also includes Claude Console at platform.claude.com and Claude Cowork. The status update was posted at 09:58 UTC and remained in the “Investigating” state.
The report identifies authentication as the issue but does not explain its cause, estimate how many users are affected, or describe any workaround or corrective action. It also gives no expected resolution time. Claude said it would provide another update as soon as possible. Users can subscribe to incident notifications by email or text message to receive updates, including notifications when the incident is created or resolved.
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