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h3
6 known vulnerabilities across versions
Vulnerabilities are listed by affected version. Select any CVE for the full briefing and its intelligence graph.
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CVE-2026-33732
< 0.11.13
srvx is a universal server based on web standards. Prior to version 0.11.13, a pathname parsing discrepancy in srvx's
FastURL
al
4.8
MEDIUM
CVE-2026-33490
all versions
H3 is a minimal H(TTP) framework. In versions 2.0.0-0 through 2.0.1-rc.16, the
mount()
method in h3 uses a simple
startsWith()
3.7
LOW
CVE-2026-33131
all versions
H3 is a minimal H(TTP) framework. Versions 2.0.0-0 through 2.0.1-rc.14 contain a Host header spoofing vulnerability in the NodeReq
7.4
HIGH
CVE-2026-33129
all versions
H3 is a minimal H(TTP) framework. Versions 2.0.1-beta.0 through 2.0.0-rc.8 contain a Timing Side-Channel vulnerability in the requ
5.9
MEDIUM
CVE-2026-33128
< 1.15.6
H3 is a minimal H(TTP) framework. In versions prior to 1.15.6 and between 2.0.0 through 2.0.1-rc.14, createEventStream is vulnerab
7.5
HIGH
CVE-2026-23527
< 1.15.5
H3 is a minimal H(TTP) framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smu
8.9
HIGH
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