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User Impersonation

🗓️ 18 Mar 2026 16:18:12Reported by Snyk Security DatabaseType 
snyk
 snyk
🔗 security.snyk.io👁 2 Views

User impersonation in h3 via Host header allows bypassing middleware; upgrade to 2.0.1-rc.15.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33131
20 Mar 202610:16
attackerkb
Circl
CVE-2026-33131
17 Mar 202611:50
circl
CNNVD
H3 安全漏洞
20 Mar 202600:00
cnnvd
CVE
CVE-2026-33131
20 Mar 202610:16
cve
Cvelist
CVE-2026-33131 h3 has a middleware bypass with one gadget
20 Mar 202610:16
cvelist
Github Security Blog
h3 has a middleware bypass with one gadget
18 Mar 202616:18
github
NVD
CVE-2026-33131
20 Mar 202611:18
nvd
OSV
CVE-2026-33131 h3 has a middleware bypass with one gadget
20 Mar 202610:16
osv
OSV
GHSA-3VJ8-JMXQ-CGJ5 h3 has a middleware bypass with one gadget
18 Mar 202616:18
osv
Positive Technologies
PT-2026-26194
18 Mar 202600:00
ptsecurity
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Vulners
Node
h3h3Range2.0.0-beta.02.0.1-rc.15

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21 Mar 2026 01:24Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.4 - 9.1
CVSS 49.1
EPSS0.00388
SSVC
2