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Umbraco Affected by Vertical Privilege Escalation via Missing Authorization Checks

🗓️ 11 Mar 2026 14:54:05Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 2 Views

Umbraco backoffice privilege escalation due to missing authorization checks on user group changes.

Related
Detection
Refs
Vulners
Node
umbraco.cmsRange17.0.017.2.2nuget
OR
umbraco.cmsRange15.3.116.5.1nuget

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11 Mar 2026 14:54Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.2
EPSS0.00057
SSVC
2