CVE-2025-46736: 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…

PriorityP428medium5.3CVSS 3.1

AVNACLPRNUINSUCLINAN

EPSS

0.31%

22.2th percentile

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
umbraco	umbraco-cms	< 10.8.10	10.8.10
umbraco	umbraco-cms	—	—
umbraco	umbraco_cms	< 10.8.10	10.8.10
umbraco	umbraco_cms	>= 10.9.0 < 13.8.1	13.8.1

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