CVE-2026-33128

H3 is a minimal HTTP 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 injection due to missing newline sanitization in formatEventStreamMessage and formatEventStreamComment. An attacker who controls any part of...

H3 安全漏洞

H3 is an open-source HTTP framework developed by H3. Versions 2.0.0-0 to 2.0.1-rc.14 of H3 contain security vulnerabilities. These vulnerabilities stem from a Host header spoofing issue in NodeRequestUrl, which may allow middleware to bypass security checks...

H3 安全漏洞

H3 is an open-source HTTP framework developed by H3. Versions of H3 from 2.0.1-beta.0 to 2.0.0-rc.8 contain security vulnerabilities. These vulnerabilities stem from the use of insecure string comparisons in the requireBasicAuth function, which may lead to timing side-channel attacks...

Directory Traversal

Overview org.webjars.npm:h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to Directory Traversal via the serveStatic function. An attacker can access arbitrary files outside the intended static directory by sending crafted...

Directory Traversal

Overview h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to Directory Traversal via the serveStatic function. An attacker can access arbitrary files outside the intended static directory by sending crafted HTTP requests...

@abysslabs/cli (=0.0.2), @nuxt/test-utils (=4.0.0) +20 more potentially affected by unknown CVE via h3 (>=2.0.0 <=2.0.1-rc.14)

h3 NPM version =2.0.0, =3.23.1-20260131-121433-34f631e, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =0.1.7, =0.3.1-beta.5, =0.0.1-beta.1, =1.0.1, =1.0.3 and more Source cves: unknown CVE Source advisory: OSV:GHSA-WR4H-V87W-P3R7...

@abysslabs/cli (=0.0.2), @brendonovich/solidjs__start (>=0.0.0 <=0.0.3) +52 more potentially affected by unknown CVE via h3 (>=2.0.0-beta.0 <=2.0.1-rc.14)

h3 NPM version =2.0.0-beta.0, =0.0.0, =0.3.3, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =1.11.5 and more Source cves: unknown CVE Source advisory: SNYK:JS-H3-15683856...

0xkit (=0.0.1), 0xpass (>=0.0.11 <=0.1.26) +7918 more potentially affected by unknown CVE via h3 (>=0.2.12 <=1.15.5)

h3 NPM version =0.2.12, =0.0.11, =0.0.0-canary-3a59770274bcb6f3bebd5d1b93a2c92d1fc4edbd, =0.0.2, =0.1.0, =1.1.0, =0.1.0, =0.1.0, =1.0.21, =2.0.0, =0.1.4, =0.1.0, =0.1.2 and more Source cves: unknown CVE Source advisory: OSV:GHSA-WR4H-V87W-P3R7...

0xkit (=0.0.1), 0xpass (>=0.0.11 <=0.1.26) +7844 more potentially affected by unknown CVE via h3 (>=1.0.1 <=1.15.5)

h3 NPM version =1.0.1, =0.0.11, =0.0.0-canary-3a59770274bcb6f3bebd5d1b93a2c92d1fc4edbd, =0.0.2, =0.1.0, =1.1.0, =0.1.0, =0.1.0, =1.0.21, =2.0.0, =0.1.4, =0.1.0, =1.0.10, =1.0.11 and more Source cves: unknown CVE Source advisory: SNYK:JS-H3-15683856...

GHSA-WR4H-V87W-P3R7 h3 has a Path Traversal via Percent-Encoded Dot Segments in serveStatic Allows Arbitrary File Read

Summary serveStatic in h3 is vulnerable to path traversal via percent-encoded dot segments %2e%2e, allowing an unauthenticated attacker to read arbitrary files outside the intended static directory on Node.js deployments. Details The vulnerability exists in src/utils/static.ts at line 86:...

h3 has a Path Traversal via Percent-Encoded Dot Segments in serveStatic Allows Arbitrary File Read

Summary serveStatic in h3 is vulnerable to path traversal via percent-encoded dot segments %2e%2e, allowing an unauthenticated attacker to read arbitrary files outside the intended static directory on Node.js deployments. Details The vulnerability exists in src/utils/static.ts at line 86:...

@abysslabs/cli (=0.0.2), @brendonovich/solidjs__start (>=0.0.0 <=0.0.3) +52 more potentially affected by CVE-2026-33131 via h3 (>=2.0.0-beta.0 <=2.0.1-rc.14)

h3 NPM version =2.0.0-beta.0, =0.0.0, =0.3.3, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =0.1.0, =1.11.5 and more Source cves: CVE-2026-33131 Source advisory: SNYK:JS-H3-15692484...

User Impersonation

Overview h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to User Impersonation via manipulation of the Host header in HTTP requests, which allows untrusted input to influence the construction of the event.url object. An...

@abysslabs/cli (=0.0.2), @nuxt/test-utils (=4.0.0) +20 more potentially affected by CVE-2026-33131 via h3 (>=2.0.0 <=2.0.1-rc.14)

h3 NPM version =2.0.0, =3.23.1-20260131-121433-34f631e, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =1.154.7, =0.1.7, =0.3.1-beta.5, =0.0.1-beta.1, =1.0.1, =1.0.3 and more Source cves: CVE-2026-33131 Source advisory: OSV:GHSA-3VJ8-JMXQ-CGJ5...

GHSA-3VJ8-JMXQ-CGJ5 h3 has a middleware bypass with one gadget

H3 NodeRequestUrl bugs Vulnerable pieces of code : js import H3, serve, defineHandler, getQuery, getHeaders, readBody, defineNodeHandler from "h3"; let app = new H3 const internalOnly = defineHandlerevent, next = const token = event.headers.get"x-internal-key"; if token !==...

@100x/application (>=0.0.1 <=0.0.6), @aact/view (>=3.0.0-beta.19 <=3.0.0-beta.28) +448 more potentially affected by CVE-2026-33129 via h3 (>=2.0.0-beta.0 <=2.0.1-rc.8)

h3 NPM version =2.0.0-beta.0, =0.0.1, =3.0.0-beta.19, =0.0.1, =0.3.3, =0.3.3, =0.3.3, =0.3.3, =0.3.3, =0.1.0, =0.1.0, =0.3.3 and more Source cves: CVE-2026-33129 Source advisory: SNYK:JS-H3-15692482...

0xkit (=0.0.1), 0xpass (>=0.0.11 <=0.1.26) +7844 more potentially affected by CVE-2026-33129 via h3 (>=1.0.1 <=1.15.6)

h3 NPM version =1.0.1, =0.0.11, =0.0.0-canary-3a59770274bcb6f3bebd5d1b93a2c92d1fc4edbd, =0.0.2, =0.1.0, =1.1.0, =0.1.0, =0.1.0, =1.0.21, =2.0.0, =0.1.4, =0.1.0, =1.0.10, =1.0.11 and more Source cves: CVE-2026-33129 Source advisory: SNYK:JS-H3-15692482...

@100x/application (>=0.0.1 <=0.0.6), @aact/view (>=3.0.0-beta.19 <=3.0.0-beta.28) +448 more potentially affected by CVE-2026-33129 via h3 (>=2.0.0-beta.0 <=2.0.1-rc.8)

h3 NPM version =2.0.0-beta.0, =0.0.1, =3.0.0-beta.19, =0.0.1, =0.3.3, =0.3.3, =0.3.3, =0.3.3, =0.3.3, =0.1.0, =0.1.0, =0.3.3 and more Source cves: CVE-2026-33129 Source advisory: OSV:GHSA-26F5-8H2X-34XH...

Timing Attack

Overview h3 is a Minimal HTTP framework built for high performance and portability. Affected versions of this package are vulnerable to Timing Attack via the requireBasicAuth function. An attacker can recover valid authentication credentials by measuring response times and deducing password...

0xkit (=0.0.1), 0xpass (>=0.0.11 <=0.1.26) +7918 more potentially affected by CVE-2026-33128 via h3 (>=0.2.12 <=1.15.5)

h3 NPM version =0.2.12, =0.0.11, =0.0.0-canary-3a59770274bcb6f3bebd5d1b93a2c92d1fc4edbd, =0.0.2, =0.1.0, =1.1.0, =0.1.0, =0.1.0, =1.0.21, =2.0.0, =0.1.4, =0.1.0, =0.1.2 and more Source cves: CVE-2026-33128 Source advisory: OSV:GHSA-22CC-P3C6-WPVM...