Security Advisory

CVE-2026-45182

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-09 22:07:59

Last updated 2026-05-11 15:00:48

Assigner mitre

CVSS score 2.2

State PUBLISHED

Description

GrapheneOS before 2026050400 allows attackers to discover the real IP address of a VPN user as a consequence of a registerQuicConnectionClosePayload optimization, because an application can let system_server transmit UDP traffic on its behalf. This occurs when the "Block connections without VPN" and "Always-on VPN" settings are enabled.

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