CVE-2026-36723 Path traversal in n/a
Authenticated attackers can exploit directory traversal in file renaming to overwrite files and execute remote code on Bookcars servers.
- 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-2026-36723?
CVE-2026-36723 is a high-severity path traversal vulnerability in n/a, published on 9 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An unrestricted file rename vulnerability in the /api/create-user component of bookcars v8.3 allows authenticated attackers to leverage directory traversal sequences to move arbitrary files from temporary storage to arbitrary locations on the server filesystem. This enables unauthorized access to sensitive files, the overwriting of critical application files, and remote code execution (RCE).
Weakness: CWE-22
Which versions are affected by CVE-2026-36723?
How do I fix CVE-2026-36723?
No fix has been published for CVE-2026-36723 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-2026-36723 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-36723 exists.
Sources
Also known as GHSA-h4jx-rqpj-659f.