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Vulnerabilities CVE-2026-54609

CVE-2026-54609

High
Open
TLP:CLEAR

QTINeon has unauthenticated relay-to-host amplification via unbounded RECONNECT_REQUEST forwarding

AI Analysis

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Description

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.

Details

CVSS Score
8.6
EPSS Score
0.26%

18th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Confidence
90%
Published
Jul 28, 2026
Last Modified
Jul 28, 2026
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