CVE-2026-33807 @fastify/express vulnerable to middleware path doubling causing authentication bypass in child plugin scopes
| Reporter | Title | Published | Views | Family All 20 |
|---|---|---|---|---|
 | CVE-2026-33807 | 15 Apr 202609:52 | – | attackerkb |
 | Fastify onRegister Function Use-After-Free | 21 Apr 202600:00 | – | bdu_fstec |
 | CVE-2026-33807 | 15 Apr 202601:50 | – | circl |
 | @fastify/express security vulnerability | 15 Apr 202600:00 | – | cnnvd |
 | CVE-2026-33807 | 15 Apr 202609:52 | – | cve |
 | EUVD-2026-22880 | 16 Apr 202601:03 | – | euvd |
 | @fastify/express's middleware path doubling causes authentication bypass in child plugin scopes | 16 Apr 202601:03 | – | github |
 | CVE-2026-33807 | 15 Apr 202609:52 | – | mend |
 | CVE-2026-33807 | 15 Apr 202610:16 | – | nvd |
 | GHSA-HRWM-HGMJ-7P9C @fastify/express's middleware path doubling causes authentication bypass in child plugin scopes | 16 Apr 202601:03 | – | osv_ghsa |
10
[
{
"vendor": "fastify",
"product": "@fastify/express",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "4.0.5",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.0.5",
"versionType": "semver"
}
],
"defaultStatus": "unaffected",
"packageURL": "pkg:npm/@fastify/express"
}
]Data
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15 Apr 2026 09:55Current
CVSS 3.19.1
EPSS0.00534
SSVC