{"id":"GHSA-xcx6-jx8p-x3h5","revision":"9d4a170fe2d540b29082e22ce3d954f6","records":[{"revision":"9d4a170fe2d540b29082e22ce3d954f6","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-xcx6-jx8p-x3h5","aliases":["CVE-2026-109461"],"title":"MSAL Node authorization code flow may disclose parameters to an attacker-controlled endpoint","description":"### Impact\n\nOrigin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network. This affects the auth_code flow.\n\n### Patches\n\nVersion 7.1.0 and higher are patched.\n\n### Workarounds\n\nEnsure you pass in only the auth_code to to acquireTokenByCode","state":0,"publishedAt":"2026-10-23T22:16:44+00:00","modifiedAt":"2026-10-23T22:30:05.0104132+00:00","affected":[{"ecosystem":"npm","name":"@azure/msal-node","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"5.0.0-beta.0"},{"kind":"fixed","version":"7.1.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/AzureAD/microsoft-authentication-library-for-js/security/advisories/GHSA-xcx6-jx8p-x3h5","https://nvd.nist.gov/vuln/detail/CVE-2026-109461","https://github.com/AzureAD/microsoft-authentication-library-for-js/pull/8901","https://github.com/AzureAD/microsoft-authentication-library-for-js/commit/f550958586475dbfeb1cd44be14a2d653728850e","https://github.com/AzureAD/microsoft-authentication-library-for-js","https://github.com/AzureAD/microsoft-authentication-library-for-js/releases/tag/msal-node-v7.1.0","https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109461"],"sourceUrl":"https://github.com/advisories/GHSA-xcx6-jx8p-x3h5","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-xcx6-jx8p-x3h5","identifiers":["GHSA-xcx6-jx8p-x3h5","CVE-2026-109461"]},"retained":false,"historicalAffected":[]}],"coverage":[]}