CVE-2026-107370: Improper Request Handling for Active Directory Logins in auth0-lock
Medium · CVSS 5.3 (CVSS 3.1)EPSS 0.28%, 20th percentilePublished Updated Assigner: Okta
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.
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N · CWE-532, CWE-598
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Auth0: auth0-lock
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- github.com/auth0/lock/security/advisories/GHSA-mp8m-wcxp-w648 (opens in new tab)
- trust.okta.com/security-advisories/improper-request-handling-for-active-directory-lo… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)