CVE-2026-107370
Medium
Description
When a username for an Active Directory connection is a domain without a local part, the auth0-lock library initiates the authentication transaction with a GET request instead of a POST request. As a result, user-submitted form data is appended to the URL as query string parameters.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Auth0-lock
PublishedOct 13, 2026
First seenOct 13, 2026
Weakness typeCWE-598CWE-598CWE-532CWE-532
How to fix
Update
- Auth0 auth0-lock13.2.1, 15.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Auth0 auth0-lock | 10.9.0 ≤ v < 13.2.1, 14.0.0 ≤ v < 15.0.2 | 13.2.1, 15.0.2 |
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