Use of a One-Way Hash without a Salt in WeGIA - CVE-2026-45027

 

Use of a One-Way Hash without a Salt in WeGIA - CVE-2026-45027

Published: May 7, 2026


Vulnerability identifier: #VU130450
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45027
CWE-ID: CWE-759
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to use of a one-way hash without a salt in html/login.php when hashing and verifying user passwords during login. A remote attacker can obtain password hashes from the pessoa table and perform offline cracking to disclose sensitive information.

The password change flow in controle/FuncionarioControle.php follows the same unsalted SHA-256 hashing pattern.


Affected software

WeGIA

How to mitigate CVE-2026-45027

Install security update from vendor's website.

WeGIA - update to 3.7.3

External References

Related Security Bulletins