CVE-2026-8367
Medium
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.
SeverityMedium
CVSS4.8
Exploit probability—
ProductAria2
PublishedMay 13, 2026
First seenMay 13, 2026
Weakness typeCWE-295CWE-295
How to fix
Update
- aria2_project aria21.37.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| aria2_project aria2 | v < 1.37.0 | 1.37.0 |
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