CVE-2026-84428 fastify vulnerable to header validation bypass via incomplete schema case normalization
| Reporter | Title | Published | Views | Family All 10 |
|---|---|---|---|---|
 | CVE-2026-84428 | 4 Sep 202610:27 | – | circl |
 | CVE-2026-84428 | 4 Sep 202610:24 | – | cve |
 | EUVD-2026-70998 | 4 Sep 202610:24 | – | euvd |
 | CVE-2026-84428 | 4 Sep 202611:17 | – | nvd |
 | PT-2026-85472 | 4 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-84428: Improper Handling of Case Sensitivity | 4 Sep 202600:00 | – | rapid7 |
 | CVE-2026-84428 | 4 Sep 202611:13 | – | redhatcve |
 | Improper Validation of Unsafe Equivalence in Input | 4 Sep 202610:24 | – | snyk |
 | @agent-tool-platform/ast-summarizer (>=0.1.0, <=0.1.1), @agent-tool-platform/runtime (>=0.1.0, <=0.1.2) +582 more potentially affected by CVE-2026-84428 via fastify (>=5.0.0, <=5.12.1) | 4 Sep 202610:24 | – | vulnersosv |
 | CVE-2026-84428 fastify vulnerable to header validation bypass via incomplete schema case normalization | 4 Sep 202610:24 | – | vulnrichment |
[
{
"vendor": "fastify",
"product": "fastify",
"defaultStatus": "unaffected",
"versions": [
{
"versionType": "semver",
"status": "affected",
"version": "0",
"lessThan": "5.12.2"
},
{
"versionType": "semver",
"status": "unaffected",
"version": "5.12.2"
}
],
"packageURL": "pkg:npm/fastify"
}
]Data
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04 Sep 2026 10:24Current
CVSS 3.17.5
EPSS0.00524
SSVC