Path Traversal in Projeqtor
CVE-2026-41463
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.016 (75.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.016 · change: +0.005
Affected products
- Projeqtor — versions 7.0, 12.4.4
Weakness classification (CWE)
References
- damiri.fr/en/cves/CVE-2026-41463 (technical-description, exploit)
- gryfman.fr/cves/CVE-2026-41463 (technical-description, exploit)
- www.projeqtor.com (product)
- www.vulncheck.com/advisories/projeqtor-zipslip-path-traversal-via-uploadplugin-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-41463?
- CVE-2026-41463 is a high-severity vulnerability in Projeqtor, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-04-27.
- How severe is CVE-2026-41463?
- High severity. CVSS v3 base score is 8.8 out of 10.