Security Advisory
CVE-2026-36669
9.8
CRITICAL
Vulnerability Description
An unauthenticated arbitrary file upload vulnerability in ck_upload_handler.php in Feng Office 3.11.13.11 allows remote attackers to upload malicious files (such as .html) to the web-accessible /tmp/ directory.
Published Date
July 17, 2026
Official Source
NIST NVD Advisory