CVE Watch8 jul 2026

CVE-2026-56290

Joomlack Page Builder Improper Access Control Vulnerability

CVSS

9.8

Crítico

EPSS

2.9%

p85

KEV

SÍ

7 jul 2026

Exploit Today

0-100

Publicado: 29 jun 2026 · Última mod.: 8 jul 2026 · CWE-434

EPSS · 30d

0.2%EPSS · 30 días2.9%

2026-06-302026-07-16

Ficha del catálogo KEV

Producto

Joomlack / Page Builder

Vulnerabilidad

Joomlack Page Builder Improper Access Control Vulnerability

Añadido a KEV

7 jul 2026

Remediar antes de

10 jul 2026

Uso conocido en ransomware

Descripción resumida

Joomlack Page Builder contains an improper access control vulnerability that could allow for remote code execution via unauthenticated arbitrary file upload.

Acción requerida

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 Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Notas

https://www.joomlack.fr/en/joomla-extensions/page-builder-ck ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-56290

Descripción técnica

The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Referencias oficiales

CVEs relacionados

CVECVSSEPSSKEVRExplotTítuloVis.

CVE-2026-489089.8 CRÍ

72.6%

KEV—72JoomShaper SP Page Builder Unrestricted Upload of File with Dangerous Type Vulnerability8d CVE-2026-489399.8 CRÍ

71.5%

KEV—71iCagenda Unrestricted Upload of File with Dangerous Type Vulnerability6d CVE-2026-562919.8 CRÍ

53.6%

KEV—66Balbooa Forms Unrestricted Upload of File with Dangerous Type Vulnerability6d CVE-2023-388368.8 ALT

99.3%

——30File Upload vulnerability in BoidCMS v.2.0.0 allows a remote attacker to execute arbitrary code by adding a GIF header to bypass MIME type checks.8d CVE-2023-464747.2 ALT

97.3%

——29File Upload vulnerability PMB v.7.4.8 allows a remote attacker to execute arbitrary code and escalate privileges via a crafted PHP file uploaded to the start_import.php file.8d CVE-2026-483569.6 CRÍ

96.8%

——29Adobe Commerce is affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.1d