What is GHSA-r7q7-7frf-w3j4?

GHSA-r7q7-7frf-w3j4 is a security advisory published by GitHub Security Advisories with Critical severity. An unauthenticated arbitrary file upload vulnerability in ck_upload_handler.php in Feng Office 3...

Which CVE IDs does GHSA-r7q7-7frf-w3j4 cover?

GHSA-r7q7-7frf-w3j4 covers the following CVE IDs: CVE-2026-36669. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r7q7-7frf-w3j4?

GHSA-r7q7-7frf-w3j4 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-r7q7-7frf-w3j4CriticalCVSS 9.8

An unauthenticated arbitrary file upload vulnerability in ck_upload_handler.php in Feng Office 3...

Vendor

GitHub Security Advisories

Published

July 17, 2026

Last Modified

July 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-36669 →

📋 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 (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-36669
https://github.com/firstlax6t/CVE-2026-36669-FengOffice
https://www.fengoffice.com
https://github.com/advisories/GHSA-r7q7-7frf-w3j4