CVE-2025-57755 – @musistudio/claude-code-router

Package

Manager: npm
Name: @musistudio/claude-code-router
Vulnerable Version: >=0 <1.0.34

Severity

Level: High

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N

CVSS v4.0: 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

EPSS: 0.00054 pctl0.16665

Details

@musistudio/claude-code-router has improper CORS configuration ### Impact 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. ### Patches The issue has been patched in v1.0.34.

Metadata

Created: 2025-08-21T14:54:24Z
Modified: 2025-08-21T19:17:34Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/08/GHSA-8hmm-4crw-vm2c/GHSA-8hmm-4crw-vm2c.json
CWE IDs: ["CWE-200", "CWE-942"]
Alternative ID: GHSA-8hmm-4crw-vm2c
Finding: F184
Auto approve: 1