CVE-2026-8367 — MEDIUM (4.8)

Vulnerability Description

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 Score

4.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-295

References

https://www.tenable.com/security/research/tra-2026-38

FAQ

What is CVE-2026-8367?

CVE-2026-8367 is a vulnerability with a CVSS score of 4.8 (MEDIUM). 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 abl...

How severe is CVE-2026-8367?

CVE-2026-8367 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8367?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.