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CVE-2026-31894— WeGIA affected by arbitrary file read via symlink in backup restore

Quick assessment

Affected
LabRedesCefetRJ WeGIA
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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版本存在后置链接漏洞，该漏洞源于提取和读取归档文件时未验证符号链接，可能导致路径遍历攻击。

AI Predicted 7.5 Difficulty: Easy EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-31894

Vulnerability Information
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Vulnerability Title
WeGIA affected by arbitrary file read via symlink in backup restore
Source: CVE Program / CVE List V5
Vulnerability Description
WeGIA is a web manager for charitable institutions. In 3.6.5, The patched loadBackupDB() extracts tar.gz archives to a temporary directory using PHP's PharData class, then uses glob() and file_get_contents() to read SQL files from the extracted contents. Neither the extraction nor the file reading validates whether archive members are symbolic links. This vulnerability is fixed in 3.6.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
WeGIA 后置链接漏洞
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版本存在后置链接漏洞，该漏洞源于提取和读取归档文件时未验证符号链接，可能导致路径遍历攻击。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LabRedesCefetRJ WeGIA >= 3.6.5, < 3.6.6 -

II. Public POCs for CVE-2026-31894

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III. Intelligence Information for CVE-2026-31894

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Patches & Fixes for CVE-2026-31894 (1)

Vendor Advisories for CVE-2026-31894 (1)

Same Patch Batch · LabRedesCefetRJ · 2026-03-11 · 3 CVEs total

CVE-2026-31896 9.8 CRITICAL WeGIA has a Time-Based Blind SQL Injection in remover_produto_ocultar.php
CVE-2026-31895 8.8 HIGH WeGIA has a SQL Injection via Direct Query Interpolation in restaurar_produto.php

IV. Related Vulnerabilities

Same product: WeGIA
Same vendor: LabRedesCefetRJ
Same weakness: CWE-59

V. Comments for CVE-2026-31894

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