{"schema":"threatline.record/2","record":{"id":"CVE-2026-109461","aliases":["GHSA-xcx6-jx8p-x3h5"],"summary":"MSAL Node authorization code flow may disclose parameters to an attacker-controlled endpoint","details":"### 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","categories":["Containers & cloud"],"product":"@azure/msal-node","vendor":"Microsoft","ecosystem":"npm","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-xcx6-jx8p-x3h5","source_modified_at":"2026-10-23T22:16:45Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"ecosystem":"npm","name":"@azure/msal-node"},"range":">= 5.0.0-beta.0, < 7.1.0"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109461","source_modified_at":"2026-10-23T22:32:57.393Z","fetched_at":"2026-10-24T00:31:04.721601Z","product":"Microsoft Identity Client for NodeJS","vendor":"Microsoft","versions":[{"version":"5.0.0","lessThan":"7.1.0","versionType":"custom","status":"affected"}],"defaultStatus":null},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-xcx6-jx8p-x3h5","source_modified_at":"2026-10-23T22:30:05.010413241Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"@azure/msal-node","ecosystem":"npm","purl":"pkg:npm/%40azure/msal-node"},"ranges":[{"type":"SEMVER","events":[{"introduced":"5.0.0-beta.0"},{"fixed":"7.1.0"}]}],"versions":[]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-xcx6-jx8p-x3h5","source_modified_at":"2026-10-23T22:16:45Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"ecosystem":"npm","name":"@azure/msal-node"},"version":"7.1.0"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109461","source_modified_at":"2026-10-23T22:32:57.393Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"Microsoft Identity Client for NodeJS","ecosystem":null},"version":"7.1.0","basis":"first unaffected version stated in the CVE record"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-xcx6-jx8p-x3h5","source_modified_at":"2026-10-23T22:30:05.010413241Z","fetched_at":"2026-10-24T00:31:04.721601Z","package":{"name":"@azure/msal-node","ecosystem":"npm","purl":"pkg:npm/%40azure/msal-node"},"version":"7.1.0"}],"cvss":7.5,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00348,"percentile":0.27143,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:11:24.532Z","modified_at":"2026-10-23T22:32:57.393Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-xcx6-jx8p-x3h5","fetched_at":"2026-10-24T00:31:04.721601Z","source_modified_at":"2026-10-23T22:16:45Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109461","fetched_at":"2026-10-24T00:31:04.721601Z","source_modified_at":"2026-10-23T22:32:57.393Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-xcx6-jx8p-x3h5","fetched_at":"2026-10-24T00:31:04.721601Z","source_modified_at":"2026-10-23T22:30:05.010413241Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109461","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["GitHub Advisory Database","CVE List","OSV","EPSS"],"references":[{"url":"https://github.com/AzureAD/microsoft-authentication-library-for-js/security/advisories/GHSA-xcx6-jx8p-x3h5","source":"GitHub Advisory Database"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109461","source":"GitHub Advisory Database"},{"url":"https://github.com/AzureAD/microsoft-authentication-library-for-js/pull/8901","source":"GitHub Advisory Database"},{"url":"https://github.com/AzureAD/microsoft-authentication-library-for-js/commit/f550958586475dbfeb1cd44be14a2d653728850e","source":"GitHub Advisory Database"},{"url":"https://github.com/AzureAD/microsoft-authentication-library-for-js/releases/tag/msal-node-v7.1.0","source":"GitHub Advisory Database"},{"source":"CVE List","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109461","tags":["vendor-advisory","patch"]},{"url":"https://github.com/advisories/GHSA-xcx6-jx8p-x3h5","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-16T17:32:18.910994Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T22:32:57.393Z","content_hash":"b0c8f1659c78038229b34d5a9db84203f1ee4472743ee63eb65f342d1a106fcf"}}