{"id":"GHSA-8hmm-4crw-vm2c","summary":"@musistudio/claude-code-router has improper CORS configuration","details":"### Impact\nDue 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.\n\n### Patches\nThe issue has been patched in v1.0.34.","aliases":["CVE-2025-57755"],"modified":"2025-08-21T20:12:20.629399Z","published":"2025-08-21T14:54:24Z","database_specific":{"github_reviewed_at":"2025-08-21T14:54:24Z","nvd_published_at":"2025-08-21T17:15:31Z","cwe_ids":["CWE-200","CWE-942"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/musistudio/claude-code-router/security/advisories/GHSA-8hmm-4crw-vm2c"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-57755"},{"type":"WEB","url":"https://github.com/musistudio/claude-code-router/issues/549"},{"type":"PACKAGE","url":"https://github.com/musistudio/claude-code-router"}],"affected":[{"package":{"name":"@musistudio/claude-code-router","ecosystem":"npm","purl":"pkg:npm/%40musistudio/claude-code-router"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.0.34"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/08/GHSA-8hmm-4crw-vm2c/GHSA-8hmm-4crw-vm2c.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N"},{"type":"CVSS_V4","score":"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"}]}