CVE-2026-1858
4.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| gnu | wget2 | 0 <= 2.2.1 | affected |
Weaknesses
- CWE-20: CWE-20 Improper input validation
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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