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 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 v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:umbraco:umbraco_cms::::::::
	cpe:2.3:a:umbraco:umbraco_cms::::::::

History

03 Sep 2025, 17:59

Type	Values Removed	Values Added
First Time		Umbraco umbraco Cms Umbraco
References	~~() https://github.com/umbraco/Umbraco-CMS/commit/14fbd20665b453cbf094ccf4575b79a9fba07e03 -~~	() https://github.com/umbraco/Umbraco-CMS/commit/14fbd20665b453cbf094ccf4575b79a9fba07e03 - Patch
References	~~() https://github.com/umbraco/Umbraco-CMS/commit/34709be6cce9752dfa767dffbf551305f48839bc -~~	() https://github.com/umbraco/Umbraco-CMS/commit/34709be6cce9752dfa767dffbf551305f48839bc - Patch
References	~~() https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-4g8m-5mj5-c8xg -~~	() https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-4g8m-5mj5-c8xg - Vendor Advisory
CPE		cpe:2.3:a:umbraco:umbraco_cms::::::::

07 May 2025, 14:13

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-05-06 17:16

Updated : 2025-09-03 17:59

NVD link : CVE-2025-46736

Mitre link : CVE-2025-46736

CVE.ORG link : CVE-2025-46736

JSON object : View

Products Affected

umbraco

umbraco_cms

CWE

CWE-204

Observable Response Discrepancy

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