[CRITICAL] CVE-2026-77994 — CVSS 9.3 (August 24, 2026)

A CRITICAL-severity vulnerability identified as CVE-2026-77994 has been published on August 24, 2026 with a CVSS base score of 9.3. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.

Vulnerability Details

CVE ID: CVE-2026-77994
Severity: CRITICAL
CVSS Score: 9.3
Published: August 24, 2026
Weakness (CWE): CWE-89

Technical Description

Joomla Extension – joomlack.fr – Second order SQL injection in Page Builder CK < 3.6.5 – The Joomla extension Page Builder CK is vulnerable to a SQL injection issue related to the loadStyles method of the frontend page model.

Potential Impact

If exploited, this critical-severity vulnerability could allow an attacker to cause significant damage to affected systems. Organizations running affected software should treat this as a priority remediation item.

Recommended Action

No official patch is available yet. Until one is released:

1. Monitor the official NVD page and vendor channels for patch announcements.
2. Restrict access to the affected system or service where possible.
3. Apply network-level mitigations such as firewall rules or WAF policies.
4. Enable logging and alerting for anomalous activity related to this vulnerability.
5. Review your incident response plan in case of active exploitation.

View full details on NVD →

References

• Reference 1

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• [CRITICAL] CVE-2026-12710 — CVSS 9.3 (August 22, 2026) — CRITICAL / CVSS 9.3