PT-2026-36003 · Gnu · Wget2

Published 2026-04-29 · Updated 2026-04-29 · CVE-2026-1858

Mitre

CVSS v3.1

4.8

Medium

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

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.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-1858

Affected Products

Wget2

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-1858 · Security Note
• https://tenable.com/security/research/tra-2026-37 · Note