CVE-2026-67430 MCP Ruby SDK: Unbounded session retention in StreamableHTTPTransport allows memory exhaustion via initialize flood
| Reporter | Title | Published | Views | Family All 5 |
|---|---|---|---|---|
 | CVE-2026-67430 | 29 Jul 202619:10 | – | attackerkb |
 | CVE-2026-67430 | 29 Jul 202619:10 | – | cve |
 | EUVD-2026-50498 | 29 Jul 202619:10 | – | euvd |
 | CVE-2026-67430 | 29 Jul 202620:17 | – | nvd |
 | PT-2026-65897 | 29 Jul 202600:00 | – | ptsecurity |
[
{
"vendor": "modelcontextprotocol",
"product": "ruby-sdk",
"versions": [
{
"version": "< 0.23.0",
"status": "affected"
}
]
}
]Data
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29 Jul 2026 19:10Current
CVSS 3.15.3