CVE Watch15 sept 2026

CVE-2026-69203

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, An Ember server with HTTP/2 enabled through withHttp2 does no

CVSS

7.5

Alto

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 15 sept 2026 · Última mod.: 15 sept 2026 · CWE-400 · CWE-770

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, An Ember server with HTTP/2 enabled through withHttp2 does not enforce SETTINGS_MAX_CONCURRENT_STREAMS for peer-created streams. One unauthenticated connection can open an unbounded number of streams, each retaining per-stream state until heap exhaustion. The same unchecked allocation is reachable in an ember-client through server-initiated PUSH_PROMISE frames because enablePush is not enforced. This issue is fixed in versions 0.23.35 and 1.0.0-M47.

Referencias oficiales

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