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PT-2026-36003

🗓️ 29 Apr 2026 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity
🔗 dbugs.ptsecurity.com

wget2 accepts certificates with wrong key usage, enabling reuse of compromised certificates for TLS.

Related
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-1858
29 Apr 202620:15
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AlpineLinux
CVE-2026-1858
29 Apr 202620:15
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CNNVD
wget2 输入验证错误漏洞
29 Apr 202600:00
cnnvd
CVE
CVE-2026-1858
29 Apr 202620:15
cve
Cvelist
CVE-2026-1858 wget2 Improper Certificate Validation
29 Apr 202620:15
cvelist
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
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UBUNTU-CVE-2026-1858
29 Apr 202621:16
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05 May 2026 00:00Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.14.8
EPSS0.00011
SSVC
0