CVE-2026-31894 WeGIA affected by arbitrary file read via symlink in backup restore
An attacker can read arbitrary files by exploiting symlink handling during backup restoration in WeGIA.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-31894?
CVE-2026-31894 is a medium-severity path traversal vulnerability in Wegia Wegia, published on 11 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-59
Which versions are affected by CVE-2026-31894?
It affects 1 product.
Products include Wegia Wegia.
How do I fix CVE-2026-31894?
No fix has been published for CVE-2026-31894 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-31894 being exploited?
There is no known exploitation of CVE-2026-31894 in the wild and no public exploit code.
Other vulnerabilities in Wegia Wegia
- CVE-2026-28409 WeGIA Vulnerable to Remote Code Execution (RCE) via OS Command Injection
- CVE-2025-58745 WeGIA has a bypass for the fix for CVE-2025-22133 - Arbitrary File Upload leads to Remote Code Execution (RCE)
- CVE-2025-58159 WeGIA Authenticated Arbitrary File Upload Leading To Remote Code Execution (RCE)
- CVE-2025-55169 WeGIA Path Traversal at endpoint 'html/socio/sistema/download_remessa.php' via parameter 'file'
- CVE-2025-53823 WeGIA vulnerable to SQL Injection (Blind Time-Based) in `processa_deletar_socio.php` parameter `id_socio`
Sources
Also known as GHSA-6mmm-27h8-8g55.