What’s Vulnerable › Vulnerabilities

CVE-2026-16337

• Severity: critical (CVSS 9.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-20 · updated 2026-10-18
• Weakness: CWE-269

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.

Affected products

• dotCMS core: from 21.02 through 26.06.22-03

References

• https://dev.dotcms.com/docs/manage/access-and-security/security-and-privacy/known-security-issues?issueNumber=SI-76
• https://github.com/dotCMS/core/pull/36344

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