VulnerabilityAnalyzed

CVE-2025-46736

Umbraco is a free and open source .NET content management system.

MEDIUM 5.3EPSS 0.36%

Does this matter?

Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS: 0.36% probability · 30th percentile
CISA KEV: Not listed
Weakness: CWE-204
Affected: umbraco/umbraco cms
Source: security-advisories@github.com

References

https://github.com/umbraco/Umbraco-CMS/commit/14fbd20665b453cbf094ccf4575b79a9fba07e03Patch
https://github.com/umbraco/Umbraco-CMS/commit/34709be6cce9752dfa767dffbf551305f48839bcPatch
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-4g8m-5mj5-c8xgVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.