CVE-2026-1858

Name
CVE-2026-1858
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.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
vulnreport@tenable.com https://www.tenable.com/security/research/tra-2026-37

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:gnu:wget2:*:*:*:*:*:*:*:* wget2 >= None <= 2.2.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
wget2 edge-community 2.2.1-r1 Jingyun Hua <huajingyun@loongson.cn> possibly vulnerable
wget2 edge-community 2.2.1-r0 Celeste <cielesti@protonmail.com> possibly vulnerable
wget2 edge-community 2.2.0-r1 Celeste <cielesti@protonmail.com> possibly vulnerable
wget2 edge-community 2.2.0-r0 Carlo Landmeter <clandmeter@alpinelinux.org> possibly vulnerable
wget2 3.23-community 2.2.0-r1 Celeste <cielesti@protonmail.com> possibly vulnerable