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CVE-2026-28409— WeGIA Vulnerable to Remote Code Execution (RCE) via OS Command Injection

Quick assessment

Affected
LabRedesCefetRJ WeGIA
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WeGIA是Nilson Lazarin个人开发者的一个福利机构的网络管理器。 WeGIA 3.6.5之前版本存在操作系统命令注入漏洞，该漏洞源于数据库恢复功能对特制备份文件名的处理不当，可能导致具有管理员权限的攻击者执行任意操作系统命令。

CVSS 10.0 · Critical EPSS 3.85% · P90

Public Exploits 1

Nuclei · 1 CVE-2026-28409.yaml [template]
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I. Basic Information for CVE-2026-28409

Vulnerability Information
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Vulnerability Title
WeGIA Vulnerable to Remote Code Execution (RCE) via OS Command Injection
Source: CVE Program / CVE List V5
Vulnerability Description
WeGIA is a web manager for charitable institutions. Prior to version 3.6.5, a critical Remote Code Execution (RCE) vulnerability exists in the WeGIA application's database restoration functionality. An attacker with administrative access (which can be obtained via the previously reported Authentication Bypass) can execute arbitrary OS commands on the server by uploading a backup file with a specifically crafted filename. Version 3.6.5 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WeGIA 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WeGIA是Nilson Lazarin个人开发者的一个福利机构的网络管理器。 WeGIA 3.6.5之前版本存在操作系统命令注入漏洞，该漏洞源于数据库恢复功能对特制备份文件名的处理不当，可能导致具有管理员权限的攻击者执行任意操作系统命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
LabRedesCefetRJ WeGIA < 3.6.5 -

II. Public POCs for CVE-2026-28409

# POC Description Source Link Shenlong Link
1 WeGIA <= 3.6.5 contains a remote code execution caused by improper validation of backup file names in the database restoration functionality, letting attackers with administrative access execute arbitrary OS commands https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-28409.yaml POC Details
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III. Intelligence Information for CVE-2026-28409

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Vendor Advisories for CVE-2026-28409 (1)

Same Patch Batch · LabRedesCefetRJ · 2026-02-27 · 3 CVEs total

CVE-2026-28411 9.8 CRITICAL WeGIA Vulnerable to Authentication Bypass via `extract($_REQUEST)`
CVE-2026-28408 9.8 CRITICAL WeGIA lacks authentication verification in adicionar_tipo_docs_atendido.php

IV. Related Vulnerabilities

Same product: WeGIA
Same vendor: LabRedesCefetRJ
Same weakness: CWE-78

V. Comments for CVE-2026-28409

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