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10.0
CRITICAL • CVSS 4.0

CVE-2026-66915

Joomla Extension - fabrikar.com - Remote code execution in Fabrik < 4.7.2 - An unauthenticated attacker could execute arbitrary code by using the ajax_calc feature of the calc plugin.

Prioritization

NVD CVSS
10.0
Published
Aug 10, 2026 6:17 AM EDT
Modified
Aug 22, 2026 11:16 AM EDT
CISA KEV
No

Red Hat context

No Red Hat-specific cached context is available for this record.

DEFENSIVE REMEDIATION WORKFLOW

Recommended response

  1. Identify affected assets with Qualys, Tanium, software inventory, CMDB or configuration-management data.
  2. Confirm package/application applicability before change execution; CVSS alone does not prove that every host is vulnerable.
  3. Patch, upgrade, rehydrate or apply a vendor-approved mitigation through controlled change. GraceITS can automate eligible waves with Ansible/Tanium.
  4. Rescan after remediation and reconcile remaining exceptions, false positives, unsupported systems and compensating controls.
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