CVE-2025-57755 (GCVE-0-2025-57755)
Vulnerability from cvelistv5
Published
2025-08-21 16:21
Modified
2025-08-21 17:31
Severity ?
8.1 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-942 - Permissive Cross-domain Policy with Untrusted Domains
Summary
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.
References
security-advisories@github.comhttps://github.com/musistudio/claude-code-router/security/advisories/GHSA-8hmm-4crw-vm2c
Impacted products
Vendor Product Version
musistudio claude-code-router Version: < 1.0.34
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