How severe is CVE-2026-76604?

CVE-2026-76604 has a CVSS 4.0 base score of 10.0, rated critical severity.

Is CVE-2026-76604 being actively exploited?

It is not currently listed in CISA's Known Exploited Vulnerabilities catalog, and no EPSS exploit-prediction score is available yet.

How do I fix CVE-2026-76604?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-76604 published?

CVE-2026-76604 was published on 2026-08-22.

CVE-2026-76604

CVE-2026-76604 is a critical-severity vulnerability with a CVSS 4.0 base score of 10.0. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 4.0 base score 10.0)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Published: 2026-08-22
Last modified: 2026-08-22

Description

Joomla Extension - fabrikar.com - Unauthenticated remote code execution via PHP form element in Fabrik < 4.7.3 - The PHP form element is vulnerable to the execution of user provided codes.

Frequently asked questions

What is CVE-2026-76604?: Joomla Extension - fabrikar.com - Unauthenticated remote code execution via PHP form element in Fabrik < 4.7.3 - The PHP form element is vulnerable to the execution of user provided codes.
How severe is CVE-2026-76604?: CVE-2026-76604 has a CVSS 4.0 base score of 10.0, rated critical severity.
Is CVE-2026-76604 being actively exploited?: It is not currently listed in CISA's Known Exploited Vulnerabilities catalog, and no EPSS exploit-prediction score is available yet.
How do I fix CVE-2026-76604?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-76604 published?: CVE-2026-76604 was published on 2026-08-22.

References

https://www.fabrikar.com/

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-76605 — Critical (CVSS 10.0): Joomla Extension - fabrikar.com - Remote code execution via image element in Fabrik < 4.7.3 - ???.
CVE-2026-67364 — Critical (CVSS 10.0): Joomla Extension - balbooa.com - Pre-auth PHP Code Injection in Balbooa Forms < 2.4.3.2 - CWE-94 / CWE-95 | CVSS 3.1:…
CVE-2026-73343 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in WP Compress < 7.20.01 versions.
CVE-2026-74253 — Critical (CVSS 10.0): Joomla Extension - regularlabs.com - Unauthenticated RCE through unverified reflected user input in Sourcerer < 14.0.0…
CVE-2026-73678 — Critical (CVSS 10.0): MindsDB Minds Platform version 26.1.0 and earlier contains an unauthenticated remote code execution vulnerability that…
CVE-2026-61962 — Critical (CVSS 10.0): Unauthenticated Arbitrary Code Execution in WP BASE Booking <= 6.3.0 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →