Path Traversal in Projectsend

CVE-2026-4044

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (47.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-4044: held from 0.004 to 0.006.

EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002

Affected products

  • Projectsend — versions r1945

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-4044?
CVE-2026-4044 is a low-severity vulnerability in Projectsend, classified under Path Traversal. CVSS score: 3.8/10. Published 2026-03-12.
How severe is CVE-2026-4044?
Low severity. CVSS v3 base score is 3.8 out of 10.