{"id":"CVE-2026-54609","sourceIdentifier":"security-advisories@github.com","published":"2026-07-28T17:16:52.507","lastModified":"2026-10-23T23:10:00.157","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"QTI Neon is a minimal, game-agnostic, relay-based UDP multiplayer protocol library. In version 1.0.0, the relay's handleReconnectRequest forwards RECONNECT_REQUEST packets to the host without bounding them, so an unauthenticated client can drive relay-to-host amplification and cause a denial of service on the host. No fixed version is available as of this review."},{"lang":"es","value":"QTI Neon es una biblioteca de protocolo multijugador UDP mínima, agnóstica de juegos y basada en retransmisión. En la versión 1.0.0, la función handleReconnectRequest del retransmisor reenvía paquetes RECONNECT_REQUEST al anfitrión sin limitarlos, por lo que un cliente no autenticado puede impulsar la amplificación de retransmisor a anfitrión y causar una denegación de servicio en el anfitrión. No hay una versión corregida disponible a la fecha de esta revisión."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"Quiet-Terminal-Interactive","product":"QTINeon","versions":[{"version":"1.0.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","baseScore":8.6,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":4.0}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-28T17:06:51.523197Z","id":"CVE-2026-54609","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"},{"lang":"en","value":"CWE-406"},{"lang":"en","value":"CWE-770"}]}],"references":[{"url":"https://github.com/Quiet-Terminal-Interactive/QTINeon/security/advisories/GHSA-85rg-p3fr-xc2f","source":"security-advisories@github.com"}]}