CVE-2026-31834
1 advisory.
NuGet/Umbraco.Cms CVE-2026-31834: high 7.2
Umbraco Affected by Vertical Privilege Escalation via Missing Authorization Checks
Action: Upgrade Umbraco.Cms to 16.5.1 (16.x) or 17.2.2 (17.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 15.3.1 | 16.5.1 | - |
| 17.0.0 | 17.2.2 | - |
Fixed versions
| 16.5.1 | 17.2.2 |
Sources
- osv: GHSA-rhcg-3h8r-v6vp
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-rhcg-3h8r-v6vp
- https://nvd.nist.gov/vuln/detail/CVE-2026-31834
- https://github.com/umbraco/Umbraco-CMS
CVE-2026-31834 · published · modified · JSON