HighVulnerabilityLLM-specific
CVE-2025-57755: claude-code-router CORS misconfiguration exposes API keys to untrusted domains
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2025-57755
- Published
- Record updated
- Affected
- @musistudio/claude-code-router < 1.0.34
- Fixed in
- 1.0.34
- released August 10, 2025, 11 days before disclosure
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 0.3%
Summary
CVE-2025-57755 affects claude-code-router, a tool that routes Claude Code requests to different models. Improper Cross-Origin Resource Sharing (CORS) configuration can expose user API Keys or equivalent credentials to untrusted domains. Attackers could use this to steal credentials, abuse accounts, exhaust quotas, or access sensitive data.
Mitigation
Patched in v1.0.34.
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