GHSA-xcx6-jx8p-x3h5Published

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

Exact source revision recorded 24 Oct 2026 13:17:17 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

osv · GHSA-xcx6-jx8p-x3h5

Published

### Impact 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

Source published: 23 Oct 2026 22:16:44 UTC
Source modified: 23 Oct 2026 22:30:05 UTC
Observed here: 24 Oct 2026 13:17:17 UTC
Source terms: GitHub Advisory Database · CC-BY-4.0

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: osv · GitHub Advisory Database · CC-BY-4.0. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS_V3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Publisher rating · HIGH