CVE-2026-107370

MEDIUMCVSS 5.3

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.

Timeline

Published:October 13th, 2026 9:17 PM

Last modified:October 15th, 2026 8:38 PM

CVSS Scoring

CVSS v3: 5.3 (MEDIUM)

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-532 CWE-598

References & Reports

Advisories, patches, and third-party reports

https://github.com/auth0/lock/security/advisories/GHSA-mp8m-wcxp-w648
https://trust.okta.com/security-advisories/improper-request-handling-for-active-directory-logins-in-auth0-lock-cve-2026-107370

Source: NIST NVD · Data may lag official sources by up to one minute