CVE-2025-57755 - CVE House
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Status published High CVE-2025-57755

claude-code-router CORS. misconfiguration

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

claude-code-router
Vulnerable Versions:
< 1.0.34

Timeline

Official Publish: August 21st, 2025
Last Modified: August 21st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)