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CVE-2026-45182

nvd nist
Published: May 9, 2026Modified: Jul 24, 2026Deferred

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2.2
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Exploitability: 0.8 / Impact: 1.4
Source: MITRE (Secondary)

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.

Related CWEs

CWE-441
Unintended Proxy or Intermediary ('Confused Deputy')
The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere. This causes the product to appear to be the source of the request, leading it to act as a proxy or other intermediary between the upstream component and the external actor.

References (4)

Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.