CVE-2026-36760 Path traversal in n/a
Authenticated attackers can write arbitrary files to the filesystem via path traversal in the file upload endpoint when chunked upload is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-36760?
CVE-2026-36760 is a critical path traversal vulnerability in n/a, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue in the fileMd5 parameter in the /a/file/upload endpoint of JeeSite v5.15.1 allows authenticated attackers with file upload permissions to execute a path traversal and write arbitrary files with whitelisted suffixes to arbitrary filesystem locations while chunked upload is enabled.
Weakness: CWE-22
Which versions are affected by CVE-2026-36760?
How do I fix CVE-2026-36760?
No fix has been published for CVE-2026-36760 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-36760 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36760 exists.
Sources
Also known as GHSA-hw83-j72w-q54c.