What’s Vulnerable › Vulnerabilities
CVE-2026-109461: Microsoft Authentication Library (MSAL) for Node.js Information Disclosure Vulnerability
- Severity: medium (CVSS 5.9 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-16 · updated 2026-10-31
- Weakness: CWE-346
Description
Origin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network.
Affected products
- Microsoft Identity Client for NodeJS: from 5.0.0 before 7.1.0 — fixed in 7.1.0
How to fix
Upgrade to a fixed version: Microsoft Identity Client for NodeJS 7.1.0. Check the vendor advisory for mitigations.
References
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