Critical severity · published Jul 20, 2026
CVE-2026-16337
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…
9.4
CVSS
0.6%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DO
dotCMS · dotCMS
21.02 through 26.06.22-03 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-16337
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-16337
dev.dotcms.com
https://dev.dotcms.com/docs/manage/access-and-security/security-and-privacy/known-security-issues?issueNumber=SI-76
github.com
https://github.com/dotCMS/core/pull/36344
More from dotCMS
9.8
CVE-2022-26352
dotCMS Unrestricted Upload of File Vulnerability
9.9
CVE-2025-11165
A sandbox escape vulnerability exists in dotCMS’s Velocity scripting engine (VTools) that allows authenticated users with scripting privileges to bypass class and package…
9.8
CVE-2020-19138
Unrestricted Upload of File with Dangerous Type in DotCMS v5.2.3 and earlier allow remote attackers to execute arbitrary code via the component…
9.8
CVE-2020-6754
dotCMS before 5.2.4 is vulnerable to directory traversal, leading to incorrect access control
9.8
CVE-2017-5344
An issue was discovered in dotCMS through 3.6.1