Cowork silently executes browser automation on unattended remote machine via shared account
증상
A Claude Cowork session initiated from a work PC silently executed browser automation on an unattended home PC — a completely separate machine on a different network. The only shared element between the two machines is the Claude account credentials. The user had no indication on the home machine that it was being remotely controlled. Files were downloaded, a browser was opened, and screen
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/38010
Source: https://github.com/anthropics/claude-code/issues/38010
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