CVE-2025-57755 — claude-code-router CORS. misconfiguration
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) configura…
Published: 2025-08-21 · CVSS: 8.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7