CVE-2026-59900 Netty codec-http2: Lack of Host Header Deduplication in HTTP/2→HTTP/1.x Translation Leads to Request Routing Bypass
| Reporter | Title | Published | Views | Family All 97 |
|---|---|---|---|---|
 | CVE-2026-59900 | 29 Jul 202617:58 | – | attackerkb |
 | CVE-2026-59900 vulnerabilities | 24 Jul 202608:23 | – | cgr |
 | CVE-2026-59900 | 10 Aug 202613:20 | – | circl |
 | CVE-2026-59900 | 29 Jul 202617:58 | – | cve |
 | CVE-2026-59900 | 29 Jul 202617:58 | – | debiancve |
 | EUVD-2026-50442 | 29 Jul 202617:58 | – | euvd |
 | Netty: [codec-http2] Lack of Host Header Deduplication in HTTP/2→HTTP/1.x Translation Leads to Request Routing Bypass | 22 Jul 202621:49 | – | github |
 | CVE-2026-59900 | 29 Jul 202618:16 | – | nvd |
 | CGA-F267-869R-XG8P | 24 Jul 202607:42 | – | osv |
| CLEANSTART-2026-GA94672 Security fixes in elasticsearch 9.4.4-r4 | 13 Aug 202612:10 | – | osv |
10
[
{
"vendor": "netty",
"product": "netty",
"versions": [
{
"version": ">= 4.2.0.Final, < 4.2.16.Final",
"status": "affected"
},
{
"version": "< 4.1.136.Final",
"status": "affected"
}
]
}
]Data
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29 Jul 2026 17:58Current
CVSS 46.9
EPSS0.00232