h3
Security Risk Profile
Security Risk Score
Comprehensive risk assessment based on 7 vulnerabilities, EPSS scores, exploitation status, and remediation availability.
📅 Data spans from January 15, 2026 to present
Threat Assessment
Severity Distribution
Exploit Likelihood
Age Distribution
Common Weaknesses (CWE)
Most Affected Products
Recent Vulnerabilities
See more →h3 before 2.0.1-rc.18 Denial of Service via Unbounded Chunked Cookie
srvx is vulnerable to middleware bypass via absolute URI in request line
h3: Missing Path Segment Boundary Check in `mount()` Causes Middleware Execution on Unrelated Prefix-Matching Routes
h3 has a middleware bypass with one gadget
h3 has an observable timing discrepancy in basic auth utils
h3 has a Server-Sent Events Injection via Unsanitized Newlines in Event Stream Fields
h3 v1 has Request Smuggling (TE.TE) issue
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