H3js

11 CVEs across 2 H3js products. Browse H3js vulnerabilities, severities, and proof-of-concept exploits.

H3js products with known CVEs

ProductCVEs
H310
Srvx1
H3js CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-86253Medium5.92026-09-06h3 (npm package) versions <= 2.0.1-rc.14 contain a path traversal vulnerability in serveStatic(). On Node.js deployments, event.url.pathname is not normalized…
CVE-2026-86252Medium5.32026-09-06h3 versions before 1.15.9 fail to sanitize carriage return characters in EventStream data and comment fields, allowing attackers to inject arbitrary SSE events…
CVE-2026-86251Medium5.92026-09-06h3 versions before 1.15.9 contain a path traversal vulnerability in the serveStatic utility. A double-decoding flaw allows a request path containing double-enc…
CVE-2026-86250High7.52026-09-06h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlled cookie values in setChunkedCookie() and deleteChunkedCookie() funct…
CVE-2026-86205Medium5.42026-09-06h3 versions before 2.0.1-rc.18 contain an open redirect vulnerability in the redirectBack() utility that fails to sanitize protocol-relative paths in the Refer…
CVE-2026-33732Medium4.82026-03-26srvx is a universal server based on web standards. Prior to version 0.11.13, a pathname parsing discrepancy in srvx's `FastURL` allows middleware bypass on the…
CVE-2026-33490Low3.72026-03-26H3 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()` check to determine whether i…
CVE-2026-33131High7.42026-03-20H3 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 NodeRequestUrl (which extends FastUR…
CVE-2026-33129Medium5.92026-03-20H3 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 requireBasicAuth function due to…
CVE-2026-33128High7.52026-03-20H3 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 vulnerable to Server-Sent Events (SSE…
CVE-2026-23527High8.92026-01-15H3 is a minimal H(TTP) framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRaw…