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.

• CWE-204

• 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

Published

May 6, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2025-46730MobSF is a mobile application security testing tool used. Ty…6.5
• CVE-2025-46731Craft is a content management system. Versions of Craft CMS …7.2
• CVE-2025-46732OpenCTI is an open source platform for managing cyber threat…5.4
• CVE-2025-46733OP-TEE is a Trusted Execution Environment (TEE) designed as …7.9
• CVE-2025-46734league/commonmark is a PHP Markdown parser. A cross-site scr…6.4
• CVE-2025-46735Terraform WinDNS Provider allows users to manage their Windo…1.1
• CVE-2025-46737SEL-5037 Grid Configurator contains an overly permissive Cro…7.4
• CVE-2025-46738An authenticated attacker can maliciously modify layout data…6.6
• CVE-2025-46739An unauthenticated user could discover account credentials v…8.1
• CVE-2025-4674The go command may execute unexpected commands when operatin…8.6
• CVE-2025-46740An authenticated user without user administrative permission…7.5
• CVE-2025-46741A suspended or recently logged-out user could continue to in…5.7