CVE-2026-3635 Fastify request.protocol and request.host spoofable via X-Forwarded-Proto/Host from untrusted connections when trustProxy uses restrictive trust function
| Reporter | Title | Published | Views | Family All 26 |
|---|---|---|---|---|
 | CVE-2026-3635 | 23 Mar 202613:53 | – | attackerkb |
 | CVE-2026-3635 | 23 Mar 202614:08 | – | circl |
 | Fastify security vulnerabilities | 23 Mar 202600:00 | – | cnnvd |
 | CVE-2026-3635 | 23 Mar 202613:53 | – | cve |
 | EUVD-2026-14431 | 25 Mar 202619:32 | – | euvd |
 | fastify vulnerable to X-Forwarded-* spoofing under trustProxy hop-count | 2 Sep 202615:14 | – | github |
| fastify: request.protocol and request.host Spoofable via X-Forwarded-Proto/Host from Untrusted Connections | 25 Mar 202619:32 | – | github |
 | CVE-2026-3635 | 23 Mar 202613:53 | – | mend |
 | CVE-2026-3635 | 23 Mar 202614:16 | – | nvd |
 | CGA-MMCC-5XGM-J274 | 20 Oct 202619:15 | – | osv_cga |
10
[
{
"vendor": "fastify",
"product": "fastify",
"versions": [
{
"status": "affected",
"version": "0",
"lessThanOrEqual": "5.8.2",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.8.3",
"versionType": "semver"
}
],
"defaultStatus": "unaffected",
"packageURL": "pkg:npm/fastify"
}
]Data
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23 Mar 2026 13:53Current
CVSS 3.16.1
EPSS0.00176
SSVC