CVE search · CVE-2026-1858
CVE-2026-1858
medium 4.8
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.
Details
- Status
- Analyzed
- Published
- Last changed
- Source
- vulnreport@tenable.com
- Weakness
- CWE-20
Severity
| Version | Score | Vector | Source |
|---|---|---|---|
| CVSS 3.1 | medium 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
vulnreport@tenable.comSecondary |
Affected products
Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.
- gnu · wget2
References
- https://www.tenable.com/security/research/tra-2026-37ExploitThird Party Advisory