CVE-2026-8367

aria2c accepts a server certificate with incorrect Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.tenable.com/security/research/tra-2026-38	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:aria2_project:aria2:*:*:*:*:*:*:*:*

History

26 Oct 2026, 17:10

Type	Values Removed	Values Added
Summary		(es) aria2c acepta un certificado de servidor con un Uso Extendido de Clave (EKU) incorrecto. Si los atacantes comprometen un certificado (con la clave privada asociada) emitido para un propósito diferente, podrían reutilizarlo para la autenticación de servidor TLS.

Information

Published : 2026-05-13 16:17

Updated : 2026-10-26 17:10

NVD link : CVE-2026-8367

Mitre link : CVE-2026-8367

CVE.ORG link : CVE-2026-8367

JSON object : View

Products Affected

aria2_project

aria2

CWE

CWE-295

Improper Certificate Validation

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