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CVE-2026-107370

Improper Request Handling for Active Directory Logins in auth0-lock

MEDIUM
5.3
CVSS Score
Published: October 13, 2026 at 08:08 PM UTC
Updated: October 15, 2026 at 08:38 PM UTC
1 product affected across 1 vendorAUTH0 Lock

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMOkta
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-532CWE-598

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