CVE-2026-36669

Published Jul 17, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated Arbitrary File Upload in Feng Office 3.11.13.11
Type Values Removed Values Added
Title Unauthenticated Arbitrary File Upload in Feng Office 3.11.13.11
Type Values Removed Values Added
Title Unrestricted File Upload in Feng Office Enables Remote Execution
Type Values Removed Values Added
Title Unrestricted File Upload in Feng Office Enables Remote Execution
Type Values Removed Values Added
Weaknesses CWE-434
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Fengoffice
Fengoffice feng Office
Vendors & Products Fengoffice
Fengoffice feng Office
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 20, 2026, 6:09 PM
Reserved
Apr 6, 2026, 12:00 AM
Status
Deferred
Published
Jul 17, 2026, 8:17 PM
Modified
Oct 24, 2026, 8:10 PM