Skip to content
Heist/ feed
Critical

Joomla Extension - joomlack.fr - Unauthenticated file upload in Page Builder CK extension < 3.6.0

Type: advisorySource: Official CVE ListKnown exploited1 source record

Joomla Extension - joomlack.fr - Unauthenticated file upload in Page Builder CK extension < 3.6.0 - The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Announced Group revision 1
Original source ↗

CVE-2026-56290

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-56290

JoomlaCK.fr Page Builder CK extension for Joomla

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "joomlack.fr",
    "product": "JoomlaCK.fr Page Builder CK extension for Joomla",
    "versions": [
      {
        "status": "affected",
        "version": "1.0-3.6.0"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-56290

Source reference: /cveMetadata/cveId

Publisher severity

critical

Source reference: /containers/cna/metrics

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-56290 · Unrated

Page Builder · Known exploited (CISA KEV)

Event
#12416 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement