Link following in WeGIA - CVE-2026-31894
Published: April 23, 2026
Vulnerability identifier: #VU127329
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-31894
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper link resolution before file access in the loadBackupDB() backup restore function when processing a crafted tar.gz backup archive. A remote user can upload a crafted archive containing a symbolic link to disclose sensitive information.
The issue was introduced in version 3.6.5, and exploitation can expose any file readable by the www-data user through an error message during MySQL import.
Affected software
WeGIA
How to mitigate CVE-2026-31894
Install security update from vendor's website.
WeGIA - update to 3.6.6