CVE-2025-46736

Umbraco Makes User Enumeration Feasible Based on Timing of Login Response

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: umbraco Umbraco-CMS
Published at:
Updated at:

References

Link Tags
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-4g8m-5mj5-c8xg
https://github.com/umbraco/Umbraco-CMS/commit/14fbd20665b453cbf094ccf4575b79a9fba07e03
https://github.com/umbraco/Umbraco-CMS/commit/34709be6cce9752dfa767dffbf551305f48839bc

Frequently Asked Questions

What is the severity of CVE-2025-46736?
CVE-2025-46736 has been scored as a medium severity vulnerability.
How to fix CVE-2025-46736?
To fix CVE-2025-46736, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-46736 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-46736 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-46736?
CVE-2025-46736 affects umbraco Umbraco-CMS.
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