Description
Umbraco is an ASP.NET CMS. From 15.3.1 to before 16.5.1 and 17.2.2, A privilege escalation vulnerability has been identified in Umbraco CMS. Under certain conditions, authenticated backoffice users with permission to manage users, may be able to elevate their privileges due to insufficient authorization enforcement when modifying user group memberships. The affected functionality does not properly validate whether a user has sufficient privileges to assign highly privileged roles. This vulnerability is fixed in 16.5.1 and 17.2.2.
INFO
Published Date :
2026-03-10T21:53:49.153Z
Last Modified :
2026-03-11T15:58:38.854Z
Source :
GitHub_M
AFFECTED PRODUCTS
The following products are affected by CVE-2026-31834 vulnerability.
| Vendors | Products |
|---|---|
| Umbraco |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2026-31834.
