CVE•Published 2026-06-29•Modified 2026-07-24•2 articles on news•5 live references•NVD data
CVE-2026-56290Joomlack · Page_builder_ck
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
97
Exploit Prediction Scoring System · top 3% of all CVEs
Weaknesses (CWE)
Description
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.
Timeline
Published 2026-06-29
Modified 2026-07-24
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-56290Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Joomlack Page Builder Ck"All exposed Joomlack Page Builder Ck instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Page Builder Ck"HTTP body or banner mentions "Page Builder Ck" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-56290Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-56290Censys host search filtered to this CVE id.
grep.app
CVE-2026-56290Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-56290GitHub code search for direct mentions.
Google dork
"CVE-2026-56290" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (6)
CVE-2026-562906 repos
Jenderal92/CVE-2026-56290Python
CVE-2026-56290 - Mass Exploit for Joomla Com_pagebuilderck component (Unrestricted File Upload → RCE). Multi-threaded, automatic CSRF bypass, PHP shell uploader.
shinthink/pbck-exploitPython
📤 Mass exploitation framework for CVE-2026-56290 — Page Builder CK Joomla unauthenticated file upload to RCE
barmi/cve-patch-auditorGo
Audit CVE impact, patch status, remediation progress, and verification results across systems.
sagsooz/PageBuilderCK-CVE-2026-56290-ExploitPython
Page Builder CK for Joomla - Unauthenticated SSRF / Remote File Write leading to PHP execution Exploiter
winrarzipsexploit/CVE-2026-87930Python
CVE-2026-87930 Joomla Multi-CVE RCE suite — authorized testing only
MRCUKIL/com_pagebuilderckPython
com_pagebuilderck uploader