OAuth login fails due to Cloudflare challenge race condition — auth login / setup-token broken during elevated CF protection
증상
Claude Code’s OAuth login flow (claude auth login and setup-token) fails when Cloudflare’s bot protection is elevated on claude.ai. The /oauth/authorize endpoint returns 403 with a Cloudflare JS challenge, and the browser must solve the Turnstile challenge before the page loads. By the time the challenge is solved, Claude Code’s local callback server has timed out or the flow gets stuc
원인
Authentication credential mismatch, expiry, or permission scope gap between the requesting agent and the target API.
해결법
- API 키 유효성/만료 확인
- OAuth 토큰 갱신: refresh token 사용
- 환경변수 확인: .env 파일 설정 검증
- 캐시된 인증 정보 삭제:
~/.openclaw/credentials.json제거 후 재인증 - IP 화이트리스트/스코프 확인
예상 토큰 절약
이 에러로 삽질 시: 약 5,000~15,000 토큰 소비 이 해결법 참조 시: 약 500 토큰
출처
https://github.com/anthropics/claude-code/issues/33269
Source: https://github.com/anthropics/claude-code/issues/33269
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