Codegarden 2026

Don’t miss Umbraco’s event of the year, June 10–11

Get your Early Bird ticket →
Book a discovery call
Book a discovery call

Security blog posts

Read blog posts related to Security

Security Advisory, March 11 , 2025 - Patches for Umbraco CMS are now available

2 moderate-severity security issues have been identified and fixed. We recommend upgrading to the latest version. Find all information and instructions here.
March 11, 2025

Security Advisory, January 21, 2025 - Patches for Umbraco CMS are now available

3 moderate-severity security issues have been identified and fixed. We recommend upgrading to the latest version. Find all information and instructions here.
January 21, 2025

Security Advisory, October 22, 2024 - Patches for Umbraco CMS are now available

Four medium-severity security issues have been identified and fixed. We recommend upgrading to the latest version. Find all information and instructions here.
October 22, 2024

Security Advisory, August 20, 2024: Security Patch for Umbraco CMS is now available

Two medium-severity security issues have been identified and fixed. We recommend upgrading to the latest version. Find all information and instructions here.
August 20, 2024

Security Advisory, May 21, 2024: Security Patch is now available

A medium-severity security issue has been identified. We recommend you update your projects. Find all information and instructions here
May 21, 2024

Security Advisory: Security patches for Umbraco 8, 10, 11, and 12 now available

A medium-severity security issue has been identified. We recommend you update your projects. Find all information and instructions here
December 12, 2023

Security patches for Umbraco 10, 11, and 12 now available

A high-severity security issue has been identified in Umbraco CMS. Security patches for Umbraco 10, 11, and 12 now available.
July 12, 2023

Security Advisory: Security patch for Umbraco CMS ready on July 13 at 08 AM UTC

A high-severity security issue has been identified in Umbraco CMS. A patch will be published on July 13. This is a heads-up so you can prepare for action.
July 10, 2023

Security patches for Umbraco 8, 10, and 11 are now available

Updated 2023-08-28: Additional patch is available for the medium-severity vulnerability identified in Umbraco 8, 10 and 11. Upgrade to the latest version.
March 28, 2023