CVE-2026-41463: ProjeQtor < 12.4.4 ZipSlip Path Traversal via uploadPlugin.php

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-27 · updated 2026-06-17
Weakness: CWE-22

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.

Affected products

ProjeQtor: from 7.0 through 12.4.3

References

https://damiri.fr/en/cves/CVE-2026-41463
https://gryfman.fr/cves/CVE-2026-41463
https://www.projeqtor.com
https://www.vulncheck.com/advisories/projeqtor-zipslip-path-traversal-via-uploadplugin-php

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