WeGIA: Hardcoded Secret Key Backdoor — Mass Data Destruction via deletar_socios.php

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-54767
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 22:17:03 UTC
Updated2026-09-18 20:17:17 UTC
DescriptionWeGIA is a web manager for charitable institutions. Prior to 3.8.5, web/html/socio/sistema/controller/deletar_socios.php exposes an unauthenticated GET endpoint whose chave parameter is checked only against a hardcoded chave_correta value embedded in the public source repository. A remote attacker who obtains that value can reach the endpoint's TRUNCATE TABLE operations for the endereco, pessoafisica, pessoajuridica, and socio tables without an administrative session or application authorization, permanently destroying member and contributor records. The attack requires the affected tables to exist and the web process database account to possess truncation privileges. This issue is fixed in version 3.8.5.

Risk And Classification

Primary CVSS: v3.1 9.1 CRITICAL from [email protected]

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

EPSS: 0.004250000 probability, percentile 0.363620000 (date 2026-09-19)

Problem Types: CWE-306 | CWE-798 | CWE-306 CWE-306: Missing Authentication for Critical Function | CWE-798 CWE-798: Use of Hard-coded Credentials

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.1CNADECLARED9.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA LabRedesCefetRJ WeGIA affected < 3.8.5 Not specified

References

ReferenceSourceLinkTags
github.com/LabRedesCefetRJ/WeGIA/releases/tag/3.8.5 [email protected] github.com
github.com/LabRedesCefetRJ/WeGIA/pull/1689 [email protected] github.com
github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-399w-rxhp-jh9f 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/LabRedesCefetRJ/WeGIA/commit/84d9d0a7c66c29b238ab381ffcfb9e0c... [email protected] github.com
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