WeGIA: Use of Weak Password Hashing Algorithm (SHA-256, no salt) in html/login.php

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Summary

CVECVE-2026-45027
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-27 17:16:40 UTC
Updated2026-05-27 19:49:48 UTC
DescriptionWeGIA is a web manager for charitable institutions. In versions prior to 3.7.3, when a user logs in, html/login.php hashes the submitted password using PHP's hash() function with the SHA-256 algorithm and no salt before comparing it to the stored value. The password change flow in controle/FuncionarioControle.php follows the same pattern. SHA-256 is a general-purpose cryptographic hash built for speed, not password storage. Without a salt, identical passwords produce identical digests, making the entire hash database vulnerable to a single precomputed rainbow table lookup. This vulnerability is fixed in 3.7.3.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem Types: CWE-759 | CWE-916 | CWE-759 CWE-759: Use of a One-Way Hash without a Salt | CWE-916 CWE-916: Use of Password Hash With Insufficient Computational Effort

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA LabRedesCefetRJ WeGIA affected < 3.7.3 Not specified

References

ReferenceSourceLinkTags
github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-hcgv-vmq6-j6qg 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
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