Outage in Anthropic

Issue affecting some Claude Code services

Resolved Major

June 03, 2026 - Started about 5 hours ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Anthropic experienced a major incident affecting Claude Code services for 3.4 hours, causing degraded performance in security reviews, code reviews, routines, and some web sessions. Engineers identified and worked on the issue throughout the incident. The service was fully restored and the incident was resolved.

We have identified an issue which is resulting in some Claude Code services being degraded. As a result of this issue, users will see issues with Claude Code security reviews, code reviews, routines and some Claude Code web sessions. Our engineers are working to resolve these issues as soon as possible.

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Latest Updates ( sorted recent to last )

RESOLVED about 2 hours ago - at 06/03/2026 07:36AM

This incident has been resolved.

INVESTIGATING about 5 hours ago - at 06/03/2026 04:17AM

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