CVE-2025-27602 Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content
Authenticated restricted editors can bypass access controls to read or delete unauthorized media and content via API manipulation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-27602?
CVE-2025-27602 is a medium-severity missing authorization vulnerability in Umbraco Umbraco Cms, published on 11 Mar 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. The issue is patched in versions 10.8.9 and 13.7.1. No known workarounds are available.
Which versions are affected by CVE-2025-27602?
4 open source packages ship an affected version, including Umbraco.Cms.Web.Backoffice. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Umbraco.Cms.Web.Backoffice NuGet | All versions | 10.8.9 |
Umbraco.Cms.Web.Backoffice NuGet | All versions | 10.8.9 |
Umbraco.Cms.Web.Backoffice NuGet | From 11.0.0-rc1 | 13.7.1 |
Umbraco.Cms.Web.Backoffice NuGet | From 11.0.0-rc1 | 13.7.1 |
Products include Umbraco Umbraco Cms.
How do I fix CVE-2025-27602?
Upgrade Umbraco.Cms.Web.Backoffice to a fixed version for your release line: 10.8.9 or 13.7.1.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-27602 being exploited?
There is no known exploitation of CVE-2025-27602 in the wild and no public exploit code.
Other vulnerabilities in Umbraco Umbraco Cms
- CVE-2025-67288 Umbraco CMS has an arbitrary file upload vulnerability
- CVE-2014-10074 File upload in n/a
- CVE-2012-1301 Server-side request forgery in n/a
- CVE-2012-10054 Umbraco CMS < 4.7.1 codeEditorSave.asmx RCE
- CVE-2025-32017 Umbraco has a Management API Vulnerability to Path Traversal With Authenticated Users
Sources
Also known as GHSA-wx5h-wqfq-v698.