CVE-2026-45182 · CVEKit

cve.orgen

338 chars

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.

NVDen

338 chars

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.

CVSS metrics across sources

2

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	2.2	—	—	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
3.1	Secondary	NVD	2.2	0.8	1.4	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N