CVE entry · CVE-2026-56290
CVE-2026-56290: Joomlack Page Builder Improper Access Control Vulnerability
Joomlack Page Builder contains an improper access control vulnerability that could allow for remote code execution via unauthenticated arbitrary file upload.
- Actively exploited: added to CISA’s KEV catalog on July 7, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: July 10, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Joomlack Page Builder, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.