CVE-2026-54556 Http4s: HTTP/2 Denial of Service with Ember Backend
| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-54556 | 26 Aug 202614:10 | – | cve |
 | EUVD-2026-66558 | 26 Aug 202614:10 | – | euvd |
 | http4s has HTTP/2 Denial of Service with Ember Backend | 26 Aug 202614:10 | – | github |
 | CVE-2026-54556 | 26 Aug 202615:16 | – | nvd |
 | GHSA-VMM3-XGCX-67HM http4s has HTTP/2 Denial of Service with Ember Backend | 26 Aug 202614:10 | – | osv |
 | PT-2026-82110 | 26 Aug 202600:00 | – | ptsecurity |
[
{
"vendor": "http4s",
"product": "http4s",
"versions": [
{
"version": "< 0.23.35",
"status": "affected"
},
{
"version": ">= 1.0.0-M1, < 1.0.0-M46",
"status": "affected"
}
]
},
{
"vendor": "org.http4s",
"product": "http4s-ember-core_2.12",
"versions": [
{
"version": "< 0.23.35",
"status": "affected"
}
]
},
{
"vendor": "org.http4s",
"product": "http4s-ember-core_2.13",
"versions": [
{
"version": ">= 1.0.0-M1, < 1.0.0-M46",
"status": "affected"
},
{
"version": "< 0.23.35",
"status": "affected"
}
]
},
{
"vendor": "org.http4s",
"product": "http4s-ember-core_3",
"versions": [
{
"version": ">= 1.0.0-M1, < 1.0.0-M46",
"status": "affected"
},
{
"version": "< 0.23.35",
"status": "affected"
}
]
}
]Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
26 Aug 2026 14:10Current
CVSS 48.2