CVE-2026-36669 File upload in n/a
Unauthenticated attackers can upload malicious files to the web-accessible tmp directory in Feng Office, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-36669?
CVE-2026-36669 is a critical vulnerability in n/a, published on 17 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2026-36669?
How do I fix CVE-2026-36669?
No fix has been published for CVE-2026-36669 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-36669 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36669 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-r7q7-7frf-w3j4.