CVE-2026-54671
WeGIA is a web manager for charitable institutions. Prior to 3.8.5, WeGIA maps InternoControle to an empty resource array in web/controle/control.php, and verificarPermissao in web/dao/MiddlewareDAO.php treats that empty array as unconditional access for every authenticated user.
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The methods in web/controle/InternoControle.php, including listarUm, alterar, and excluir, accept user-controlled id or idInterno values without verifying ownership, allowing a low-privileged user to read, modify, or delete another person's records and expose personal, identity, address, medical, and family information. The advisory notes that a self-referencing load bug can crash this controller in the reported revision, but the empty-resource authorization pattern and affected methods remain the vulnerability under review. This issue is fixed in version 3.8.5.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.57%
- Percentil entre todas las CVEs puntuadas: 45
- Fecha de la puntuación: 4/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1210Exploitation of Remote Serviceslateral movement75 % - Impacto principal
T1552.007Container APIcredential access85 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access70 % - Impacto secundario
T1565.001Stored Data Manipulationimpact80 %
Vulnerabilidad de control de acceso en aplicación web expuesta (T1190). Usuario autenticado explota ausencia de validación de propiedad para leer, modificar y eliminar registros personales, médicos e identitarios (T1552.007, T1565.001, T1078.001). Requiere autenticación previa pero sin privilegios e
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-639, CWE-862
Referencias
- https://github.com/LabRedesCefetRJ/WeGIA/commit/767bc5fcca54b9edcbf3ac8363736e528efdfc19
- https://github.com/LabRedesCefetRJ/WeGIA/issues/1640
- https://github.com/LabRedesCefetRJ/WeGIA/releases/tag/3.8.5
- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-chpq-hc43-6mhw
- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-chpq-hc43-6mhw
JSON original (NVD)
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{
"id": "CVE-2026-54671",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-54671",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-09-18T13:08:49.482367Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "LabRedesCefetRJ",
"product": "WeGIA",
"versions": [
{
"status": "affected",
"version": "< 3.8.5"
}
]
}
]
}
],
"published": "2026-09-17T22:17:03.150",
"references": [
{
"url": "https://github.com/LabRedesCefetRJ/WeGIA/commit/767bc5fcca54b9edcbf3ac8363736e528efdfc19",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/LabRedesCefetRJ/WeGIA/issues/1640",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/LabRedesCefetRJ/WeGIA/releases/tag/3.8.5",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-chpq-hc43-6mhw",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-chpq-hc43-6mhw",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-639"
},
{
"lang": "en",
"value": "CWE-862"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "WeGIA is a web manager for charitable institutions. Prior to 3.8.5, WeGIA maps InternoControle to an empty resource array in web/controle/control.php, and verificarPermissao in web/dao/MiddlewareDAO.php treats that empty array as unconditional access for every authenticated user. The methods in web/controle/InternoControle.php, including listarUm, alterar, and excluir, accept user-controlled id or idInterno values without verifying ownership, allowing a low-privileged user to read, modify, or delete another person's records and expose personal, identity, address, medical, and family information. The advisory notes that a self-referencing load bug can crash this controller in the reported revision, but the empty-resource authorization pattern and affected methods remain the vulnerability under review. This issue is fixed in version 3.8.5."
}
],
"lastModified": "2026-09-18T13:18:33.920",
"sourceIdentifier": "security-advisories@github.com"
}