OS Command Injection in WeGIA - CVE-2026-55679
Published: July 7, 2026
Vulnerability identifier: #VU136982
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2026-55679
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary commands.
The vulnerability exists due to command injection in web/instalador/instalador.php when processing unauthenticated installer POST data in the Linux reinstall flow. A remote attacker can send a specially crafted request to execute arbitrary commands.
The endpoint is reachable before config.php exists in pre-installation scenarios.
Affected software
WeGIA
How to mitigate CVE-2026-55679
Install security update from vendor's website.
WeGIA - update to 3.8.6