CVE-2026-55679

WeGIA is a web manager for charitable institutions. Prior to 3.8.6, the pre-installation web/instalador/instalador.php endpoint is reachable before config.php exists and processes unauthenticated installation POST data. In the Linux reinstall flow, a crafted usuario value reaches a command executed by shell_exec(). The installer also writes attacker-controlled values into executable config.php and concatenates the database name nomebd into a CREATE DATABASE statement. Successful exploitation can execute commands as the web-server user, persist attacker-controlled PHP configuration, and alter or disrupt the application and its data. This issue is fixed in version 3.8.6.

• CWE-78
• CWE-89
• CWE-94

• https://github.com/LabRedesCefetRJ/WeGIA/commit/b13c4b0b416d99a8145f583e0893bc8172155469
• https://github.com/LabRedesCefetRJ/WeGIA/issues/96
• https://github.com/LabRedesCefetRJ/WeGIA/pull/1705
• https://github.com/LabRedesCefetRJ/WeGIA/releases/tag/3.8.6
• https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-wm6j-4rfm-399q
• https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-wm6j-4rfm-399q

Published

Oct 14, 2026

Last Modified

Oct 20, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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