CVE-2026-1858

MEDIUM CVSS 4.8 View on NVD ↗

Description

wget2 accepts a server certificate with incorrect Key Usage (KU) or 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 Vector

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

References

https://www.tenable.com/security/research/tra-2026-37

Published: Apr 29, 2026 21:16 UTC Modified: Apr 30, 2026 15:13 UTC