CVE-2026-16337 Privilege escalation in dotCMS
Low-privileged users can escalate to CMS Administrator and achieve remote code execution via OSGi bundle upload in dotCMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16337?
CVE-2026-16337 is a critical vulnerability in dotCMS, published on 20 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2026-16337?
How do I fix CVE-2026-16337?
No fix has been published for CVE-2026-16337 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-16337 being exploited?
There is no known exploitation of CVE-2026-16337 in the wild and no public exploit code.
Sources
Also known as GHSA-wh8m-xg73-3924.