CVE-2026-76608 fabrikar.com CVE debrief

Who should care

Defenders responsible for Joomla installations with the Fabrik extension should assess exposure and prioritize patching. This includes verifying the version in use and applying patches to prevent potential exploitation. Security teams and vulnerability management teams should also review the vulnerability and its potential impact on their systems.

Why it matters

CVE-2026-76608 is a medium-severity vulnerability in the Fabrik extension for Joomla that allows unauthenticated disclosure of commenter email addresses. Defenders should prioritize verifying the version in use and applying patches to prevent potential exploitation.

• Potential disclosure of sensitive information
• Need to verify Fabrik version and apply patches
• Possible monitoring for exploitation attempts

Technical summary

The Fabrik extension for Joomla is vulnerable to unauthenticated disclosure of any commenter's email address in versions prior to 4.7.2. The vulnerability is due to a lack of access checks in the onGetEmail endpoint. This issue can lead to potential disclosure of sensitive information. Defenders should prioritize verifying the version in use and applying patches to prevent potential exploitation.

Defensive priority

Defenders should prioritize verifying the version of Fabrik in use and applying the necessary patches to prevent potential exploitation.

Recommended defensive actions

• Verify the version of Fabrik in use and apply patches if necessary
• Monitor for potential exploitation attempts
• Review access controls for the onGetEmail endpoint

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, but indicate that it is a medium-severity issue. The onGetEmail endpoint did not perform any access checks, leading to the vulnerability. The vulnerability allows unauthenticated disclosure of any commenter's email address in Fabrik < 4.7.2.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.