CVE-2026-8367CWE-295

CVE-2026-8367

Medium · published May 13, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
7.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00186 · 7.8th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-05-13T20:17Z
Affected products (1)
ProductVersionsFixed in
aria2_project/aria2< 1.37.01.37.0
References (1)
https://www.tenable.com/security/research/tra-2026-38 · [email protected]
EPSS history
Timeline
  • 13 MAY 14:55Z
    aria2c Improper Certificate Validation
    cvelistv5