MSAL Node authorization code flow may disclose parameters to an attacker-controlled endpoint

影響: npm:@azure/msal-node >= 5.0.0-beta.0, < 7.1.0 → 7.1.0

Origin 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. Patches Version 7.1.0 and higher are patched. Workarounds Ensure you pass in only the auth_code to to acquireTokenByCode

Read on GitHub Advisory Database

On 10/24/2026, 07:16 AM, GitHub Advisory Database published "MSAL Node authorization code flow may disclose parameters to an attacker-controlled endpoint" (type: Advisory). Severity is "High" (high). Related technologies: JavaScript / Node.js, Microsoft Azure. CVE: CVE-2026-109461.