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Fabrik Extension CVE-2026-76596

| EUVDEUVD-2026-64323 HIGH
Improper Access Control (CWE-284)
2026-08-22 Joomla GHSA-9r9m-f5v7-fr59
Authentication Bypass Fabrik Extension For Joomla
8.7
CVSS 4.0 · Vendor: Joomla
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Severity by source

Vendor (Joomla) PRIMARY
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.5 HIGH

Network-reachable with no privileges or user interaction; impact is high integrity loss of Fabrik table data only, with no confidentiality or availability impact and unchanged scope.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Joomla).

CVSS VectorVendor: Joomla

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Aug 22, 2026 - 15:08 vuln.today
CVE Published
Aug 22, 2026 - 14:20 cve.org
HIGH 8.7

DescriptionCVE.org

Joomla Extension - fabrikar.com - Unauthenticated table truncation via list.doempty in Fabrik < 4.7.2- The list controllers doemtpy endpoints lacks ACL gates, a plain GET empties the target list's table

AnalysisAI

Unauthenticated table truncation in the Fabrik Extension for Joomla (versions 1.0.0 through 4.7.1) allows any remote attacker to destroy data by issuing a single HTTP GET request to the list.doempty controller action. The endpoint lacks all ACL gates, making exploitation trivially automatable against any publicly accessible Joomla installation running the affected component. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify Joomla site running Fabrik component
Delivery
Enumerate accessible Fabrik list IDs via front-end
Exploit
Craft GET request to list.doempty endpoint
Execution
Joomla routes unauthenticated request with no ACL check
Persist
Target database table truncated
Impact
Stored data permanently destroyed
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Vulnerability AssessmentAI

Exploitation No special conditions are required beyond the target Joomla installation having the Fabrik Extension (versions 1.0.0-4.7.1) installed and the Joomla front-end being publicly accessible over the network. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 8.7 with vector AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N accurately reflects the real-world severity: network-reachable, no privileges, no complexity, no user interaction, and high integrity impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker discovers a Joomla site running Fabrik by identifying the com_fabrik component in page source or HTTP responses. The attacker issues a single HTTP GET request to a URL such as /index.php?option=com_fabrik&task=list.doempty&listid=1, instantly truncating the target database table with no authentication, tokens, or special conditions required. …
Remediation Upgrade the Fabrik Extension for Joomla to version 4.7.2 or later, which is the vendor-confirmed fix release per EUVD-2026-64323 and the CVE description boundary of 'Fabrik < 4.7.2'. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Audit all Joomla installations to identify those running Fabrik Extension versions 1.0.0 through 4.7.1 and immediately disable the extension, or isolate the installation from internet access. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-76596 vulnerability details – vuln.today
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