CVE-2025-46736

Medium

Description

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductUmbraco Cms
PublishedMay 6, 2025
First seenMay 6, 2025
Weakness typeCWE-204CWE-204

How to fix

Update
  • umbraco umbraco_cms10.8.10, 13.8.1 or later
  • Umbraco.Cms13.8.1, 10.8.10 or later

Affected products

ProductAffected versionsFixed in
umbraco umbraco_cmsv < 10.8.10, 10.9.0 ≤ v < 13.8.110.8.10, 13.8.1
Umbraco.CmsNuGet11.0.0-rc1 ≤ v < 13.8.1, v < 10.8.1013.8.1, 10.8.10

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