CVE-2026-3012
Full vulnerability record from the local CVENow database.
Description
A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability to intercept or redirect network traffic could exploit this behavior to supply a malicious certificate authority certificate, potentially allowing interception or spoofing of trusted communications.
Severity
MEDIUM
CVSS score
6.8
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-27 11:16:18.357000
Last modified
2026-10-26 11:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-3012",
"sourceIdentifier": "[email protected]",
"published": "2026-05-27T11:16:18.357",
"lastModified": "2026-10-26T11:10:00.157",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A flaw was found in Samba’s certificate auto-enrollment Group Policy handling. When certificate auto-enrollment is enabled, Samba may retrieve a CA certificate over an unencrypted HTTP connection and install it into the local trust store without proper verification. An attacker with the ability to intercept or redirect network traffic could exploit this behavior to supply a malicious certificate authority certificate, potentially allowing interception or spoofing of trusted communications."
},
{
"lang": "es",
"value": "Se encontró una vulnerabilidad en el manejo de la política de grupo de inscripción automática de certificados de Samba. Cuando la inscripción automática de certificados está habilitada, Samba puede recuperar un certificado de CA a través de una conexión HTTP no cifrada e instalarlo en el almacén de confianza local sin la verificación adecuada. Un atacante con la capacidad de interceptar o redirigir el tráfico de red podría explotar este comportamiento para proporcionar un certificado de autoridad de certificación malicioso, lo que podría permitir la interceptación o suplantación de comunicaciones de confianza."
}
],
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{
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