CVE-2026-16337
Critical
Description
Improper authorization in the ToolGroupResource and RoleAjax REST/DWR endpoints in dotCMS dotCMS 21.02 through 26.06.22-03 on all platforms allows a low-privileged authenticated backend user to self-assign the administrative layout and self-grant the CMS Administrator role, then achieve remote code execution via a crafted OSGi bundle upload whose BundleActivator executes arbitrary shell commands.
SeverityCritical
CVSS9.4
Exploit probability—
ProductdotCMS
PublishedJul 20, 2026
First seenJul 20, 2026
Weakness typeCWE-269Improper privilege management
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| dotCMS dotCMS | 21.02 ≤ v ≤ 26.06.22-03 | — |
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