CVE-2026-36669

EUVD-2026-45346
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 44.55%
Common Weakness Enumeration
References
https://github.com/firstlax6t/CVE-2026-36669-FengOffice
https://www.fengoffice.com/
https://github.com/firstlax6t/CVE-2026-36669-FengOffice