Microsoft Authentication Library (MSAL) for Node.js Information Disclosure Vulnerability (Microsoft Microsoft Identity Client for NodeJS)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.36 % · percentile 30 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- microsoft
- NVD status
- Awaiting Analysis
Description
Origin validation error in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to disclose information over a network.
Weaknesses (CWE)
- CWE-346 — Origin Validation Error
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · secure@microsoft.com (Secondary) |
Advisories
- GHSA-xcx6-jx8p-x3h5 — MSAL Node authorization code flow may disclose parameters to an attacker-controlled endpoint
European references
- ENISA EUVD · EUVD-2026-102952
- GCVE · GCVE-0-2026-109461
CERT-FR advisories
- CERTFR-2026-AVI-1332 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Microsoft · Microsoft Identity Client for NodeJS | affected 5.0.0 < 7.1.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |