{"data":{"id":"CVE-2026-56290","cve_id":"CVE-2026-56290","title":"Unauthenticated file upload in Page Builder CK extension < 3.6.0","summary":"Unauthenticated file upload in Page Builder CK extension < 3.6.0","severity":"CRITICAL","cvss":{"score":10.0,"version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red","source":"nvd"},"published_at":"2026-06-29T15:16:42.360000Z","modified_at":"2026-07-24T13:31:02.867000Z","withdrawn_at":null,"is_joomla":true,"is_joomla_core":false,"relevance":"certain","product":"page_builder_ck","extension":{"type":null,"name":"page_builder_ck"},"sources":["nvd"],"source_count":1,"url":"https://cve.oyer.fr/cve/CVE-2026-56290","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.","cwe":["CWE-434"],"affected":[{"package":null,"product":"JoomlaCK.fr Page Builder CK extension for Joomla","vendor":"joomlack.fr","ecosystem":null,"cpe":null,"version_start":"1.0","version_end":"3.6.0","version_end_inclusive":true,"fixed_version":null,"type":null,"source":"nvd"},{"package":null,"product":"page_builder_ck","vendor":"joomlack","ecosystem":null,"cpe":"cpe:2.3:a:joomlack:page_builder_ck:*:*:*:*:*:joomla\\!:*:*","version_start":null,"version_end":"3.6.0","version_end_inclusive":false,"fixed_version":"3.6.0","type":null,"source":"nvd"}],"references":[{"url":"https://www.joomlack.fr/","title":"Product","source":"nvd"},{"url":"https://forum.joomlack.fr/index.php/page-builder-ck/21627-nouvelle-version-de-pbck-et-joomla-3","title":"Issue Tracking, Patch","source":"nvd"},{"url":"https://mysites.guru/blog/pagebuilderck-unauthenticated-file-upload-rce/","title":"Exploit, Third Party Advisory","source":"nvd"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56290","title":"US Government Resource","source":"nvd"}],"source_records":[{"source":"nvd","external_id":"CVE-2026-56290","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56290","severity":"CRITICAL","cvss_score":10.0,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red","cvss_version":"4.0","first_seen_at":"2026-09-26T09:34:28.416923Z","last_seen_at":"2026-09-26T09:34:28.416923Z"}],"history":[{"at":"2026-09-26T09:34:28.416923Z","event":"created","source":"nvd","detail":"Détectée via nvd"}]}}