{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2026-45182", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-05-09T22:07:58.636Z", "datePublished": "2026-05-09T22:07:59.122Z", "dateUpdated": "2026-05-09T22:12:55.615Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "GrapheneOS", "vendor": "GrapheneOS", "versions": [{"lessThan": "2026050400", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-441", "description": "CWE-441 Unintended Proxy or Intermediary ('Confused Deputy')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-05-09T22:12:55.615Z"}, "references": [{"url": "https://lowlevel.fun/posts/tiny-udp-cannon-android-vpn-bypass/"}, {"url": "https://grapheneos.org/releases#2026050400"}, {"url": "https://cyberinsider.com/grapheneos-fixes-android-vpn-leak-google-refused-to-patch/"}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}}, "dataVersion": "5.2"}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-45182", "lastModified": "2026-05-09T23:16:32.277", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 2.2, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2026-05-09T23:16:32.277", "references": [{"source": "cve@mitre.org", "url": "https://cyberinsider.com/grapheneos-fixes-android-vpn-leak-google-refused-to-patch/"}, {"source": "cve@mitre.org", "url": "https://grapheneos.org/releases#2026050400"}, {"source": "cve@mitre.org", "url": "https://lowlevel.fun/posts/tiny-udp-cannon-android-vpn-bypass/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-441"}], "source": "cve@mitre.org", "type": "Primary"}]}

{}

{"created": "2026-05-10T00:30:05.949588+00:00", "title": "Android VPN IP Leakage via System Server UDP Path", "updated": "2026-05-10T00:30:05.949599+00:00", "vendors": []}