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CVE-2026-1858

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CVE-2026-1858

Published: Apr 29, 2026

Modified: Apr 30, 2026

PUBLISHED

CVSS v3.1

4.8

MEDIUM

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.

VendorProductVersions

gnu

wget2

affected
0 - <= 2.2.1

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

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