CVE-2025-46736: Umbraco Makes User Enumeration Feasible Based on Timing of Login Response
Impact Based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists.
Patches Patched in 10.8.10 and 13.8.1.
Workarounds None available.
Other sources
Umbraco is a free and open source .NET content management system. Prior to versions 10.8.10 and 13.8.1, based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists. The issue is patched in versions 10.8.10 and 13.8.1. No known workarounds are available.
— MITRE
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2025-46736?
CVE-2025-46736 is considered a moderate severity vulnerability due to its potential for account enumeration.
How do I fix CVE-2025-46736?
To address CVE-2025-46736, upgrade Umbraco.Cms to version 10.8.10 or 13.8.1 or later.
What does CVE-2025-46736 impact?
CVE-2025-46736 impacts Umbraco.Cms versions prior to 10.8.10 and 13.8.1.
Are there any workarounds for CVE-2025-46736?
There are no workarounds available for CVE-2025-46736.
How can CVE-2025-46736 affect user accounts?
CVE-2025-46736 allows an attacker to determine if a user account exists based on the timing of post login API responses.