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CVE-2026-1858 wget2 Improper Certificate Validation

🗓️ 29 Apr 2026 20:15:50Reported by tenableType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

wget2 accepts certificates with incorrect key usage or extended key usage, enabling reuse for server authentication.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-1858
29 Apr 202620:15
attackerkb
AlpineLinux
CVE-2026-1858
29 Apr 202620:15
alpinelinux
CNNVD
wget2 输入验证错误漏洞
29 Apr 202600:00
cnnvd
CVE
CVE-2026-1858
29 Apr 202620:15
cve
Debian CVE
CVE-2026-1858
29 Apr 202620:15
debiancve
EUVD
EUVD-2026-26285
29 Apr 202620:15
euvd
NVD
CVE-2026-1858
29 Apr 202621:16
nvd
OSV
DEBIAN-CVE-2026-1858
29 Apr 202621:16
osv
OSV
UBUNTU-CVE-2026-1858
29 Apr 202621:16
osv
Positive Technologies
PT-2026-36003
29 Apr 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "gnu",
    "product": "wget2",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "2.2.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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