CVE-2026-4044 projectsend Delete import-orphans.php realpath path traversal
Remote attackers can exploit a path traversal vulnerability in ProjectSend's delete handler to read or modify arbitrary files on the server.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4044?
CVE-2026-4044 is a medium-severity path traversal vulnerability in projectsend, published on 12 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability was detected in projectsend up to r1945. This affects the function realpath of the file /import-orphans.php of the component Delete Handler. Performing a manipulation of the argument files[] results in path traversal. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-22
Which versions are affected by CVE-2026-4044?
How do I fix CVE-2026-4044?
No fix has been published for CVE-2026-4044 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-2026-4044 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4044 exists.
Sources
Also known as GHSA-5q4j-56f8-pr89.