Description
claude-code-router is a powerful tool to route Claude Code requests to different models and customize any request. Due to improper Cross-Origin Resource Sharing (CORS) configuration, there is a risk that user API Keys or equivalent credentials may be exposed to untrusted domains. Attackers could exploit this misconfiguration to steal credentials, abuse accounts, exhaust quotas, or access sensitive data. The issue has been patched in v1.0.34.
Problem types
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-942: Permissive Cross-domain Policy with Untrusted Domains
Product status
References
github.com/...router/security/advisories/GHSA-8hmm-4crw-vm2c
