CVE-2026-64785
NONE—CVSS v3
—CVSS v2
—
EPSS (exploit probability)
—CWE
Description
SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. This vulnerability is addressed in swift-nio-http2 version 1.45.0.
Affected routers (0)
No routers currently mapped to this CVE in our database.