CVE-2026-36669
CRITICAL 9.8EPSS 0.6%
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.
- 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
- 0.56% chance of exploitation in the next 30 days, 45th percentile
- Published
- 2026-07-17
- Updated
- 2026-07-20
Proof-of-concept exploits (1)
- firstlax6t/CVE-2026-36669-FengOffice0★ · 2026-07-15