OS Command Injection in WeGIA - CVE-2026-28409
Published: April 23, 2026
Vulnerability identifier: #VU127322
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-28409
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: LabReDeS
Affected software:
WeGIA
WeGIA
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary os commands.
The vulnerability exists due to improper neutralization of special elements used in an os command in the database restoration functionality in config_funcoes.php when restoring a backup file with a crafted filename. A remote attacker can upload a backup file with a malicious filename and trigger a restore action to execute arbitrary os commands.
Exploitation results in command execution as the web server user.
How to mitigate CVE-2026-28409
Install security update from vendor's website.