{"id":"CVE-2026-56290","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-56290","summary":"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…","details":"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.","published":"2026-06-29T14:31:37.952Z","modified":"2026-10-08T04:47:28.097Z","cvss":null,"epss":{"score":0.30375,"percentile":0.98124,"asOf":"2026-09-13"},"cisaKev":null,"exploitsKnown":3,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://www.joomlack.fr/"},{"type":"ADVISORY","url":"https://mysites.guru/blog/pagebuilderck-unauthenticated-file-upload-rce/"},{"type":"FIX","url":"https://forum.joomlack.fr/index.php/page-builder-ck/21627-nouvelle-version-de-pbck-et-joomla-3"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-56290"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-08T04:47:28.097Z"}}