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THREAT OPS › Threat News › [CISA KEV] CVE-2026-56290 — Joomlack Page Builder: Joomlack Page Builder Improper Access Control Vulnerability

[CISA KEV] CVE-2026-56290 — Joomlack Page Builder: Joomlack Page Builder Improper Access Control Vulnerability

medcisa_kevPublished 2026-07-07

CVE: CVE-2026-56290 Vendor: Joomlack Product: Page Builder Vulnerability: Joomlack Page Builder Improper Access Control Vulnerability Date Added: 2026-07-07 Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in

MITRE ATT&CK techniques

Cloud ServicesT1021.007

Indicators of compromise

CVE-2026-56290cve
https://www.joomlack.fr/en/joomla-extensions/page-builder-ckurl

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-56290