CVEvulnerability

CVE-2026-1858

4.8 MEDIUM Published 2026-04-29 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-04-29
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weaknesses
CWE-20

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.

Affected configurations

• gnu wget2 (<= 2.2.1)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References