CVE-2026-55683 WeGIA: SQL Injection in html/socio/sistema/cadastro_cobranca.php

Critical 9.8 Published Updated

Remote attackers can execute arbitrary SQL via unauthenticated POST requests to read, modify, or delete database content in WeGIA.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-55683?

CVE-2026-55683 is a critical SQL injection vulnerability in LabRedesCefetRJ WeGIA, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

WeGIA is a web manager for charitable institutions. Prior to 3.8.6, the unauthenticated web/html/socio/sistema/cadastro_cobranca.php endpoint accepts POST input through extract($_REQUEST) and directly incorporates valor, valor_pago, id_pessoa, id_socio, and id_sociotipo into UPDATE, INSERT, and SELECT statements without prepared statements. A remote attacker can use the affected parameters to execute arbitrary SQL that reads or modifies WeGIA database content, including billing records and credential data. The same SQL access can delete or truncate tables, causing loss of application data. This issue is fixed in version 3.8.6.

Weakness: CWE-89

Which versions are affected by CVE-2026-55683?

How do I fix CVE-2026-55683?

No fix has been published for CVE-2026-55683 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-55683 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-55683 exists.

Sources

Also known as GHSA-vjxh-wcf9-4qgq.

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