CVE-2026-76603: CWE-284 Improper Access Control in fabrikar.com Fabrik extension for Joomla
Description
CVE-2026-76603 is a medium severity vulnerability in the Fabrik extension for Joomla versions 1.0.0 through 4.7.1. It involves improper access control in the form.inlineedit controller, which does not perform access checks and allows unauthenticated users to disclose rows (items) they should not access.
CVSS v4.0
Score 6.9medium
Affected software
fabrikar.com
Fabrik extension for Joomla
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Fabrik extension for Joomla prior to version 4.7.2 contains an access control weakness (CWE-284) in its inlineedit form controller. This controller fails to verify user permissions before disclosing data rows, enabling unauthenticated users to access items without authorization. The vulnerability has a CVSS 4.0 base score of 6.9, reflecting network attack vector, low complexity, no privileges or user interaction required, and low impact on confidentiality.
Potential Impact
Unauthorized users can retrieve data rows from the Fabrik extension without authentication or proper access checks. This leads to information disclosure of potentially sensitive data managed by the Joomla Fabrik extension. There is no indication of privilege escalation, integrity, or availability impact.
Mitigation Recommendations
A fix is available in Fabrik version 4.7.2. Users should upgrade to version 4.7.2 or later to remediate this vulnerability. No other mitigation guidance is provided or necessary as the issue is resolved by the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-08-19T14:48:01.168Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a89b443acd9273b49249731
Added to database: 08/22/2026, 14:37:55 UTC
Last enriched: 09/11/2026, 01:48:52 UTC
Last updated: 10/06/2026, 18:48:25 UTC
Views: 69
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