CVE-2026-41463 ProjeQtor < 12.4.4 ZipSlip Path Traversal via uploadPlugin.php
Authenticated attackers can exploit a ZipSlip vulnerability in ProjeQtor to upload malicious ZIP files, achieving remote code execution.
- 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-2026-41463?
CVE-2026-41463 is a high-severity path traversal vulnerability in ProjeQtor, published on 27 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ProjeQtor versions 7.0 through 12.4.3 contain a ZipSlip path traversal vulnerability in the plugin upload functionality that allows authenticated attackers with upload permissions to write files outside the intended extraction directory by crafting ZIP archives with directory traversal sequences. Attackers can exploit unvalidated archive extraction to write a PHP webshell to a web-accessible directory and achieve remote code execution with the privileges of the web server process.
Weakness: CWE-22
Which versions are affected by CVE-2026-41463?
How do I fix CVE-2026-41463?
No fix has been published for CVE-2026-41463 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-2026-41463 being exploited?
There is no known exploitation of CVE-2026-41463 in the wild and no public exploit code.
Sources
Also known as GHSA-mcxw-xmpc-rm88.