FKIE_CVE-2026-45182

Vulnerability from fkie_nvd - Published: 2026-05-09 23:16 - Updated: 2026-05-13 15:46
Severity ?
2.2 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Summary
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.
References
cve@mitre.orghttps://cyberinsider.com/grapheneos-fixes-android-vpn-leak-google-refused-to-patch/
cve@mitre.orghttps://grapheneos.org/releases#2026050400
cve@mitre.orghttps://lowlevel.fun/posts/tiny-udp-cannon-android-vpn-bypass/
134c704f-9b21-4f2e-91b3-4a467353bcc0https://lowlevel.fun/posts/tiny-udp-cannon-android-vpn-bypass/
Impacted products
Vendor Product Version
To clipboard 

{
  "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": "2026-05-13T15:46:19.993",
  "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/"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://lowlevel.fun/posts/tiny-udp-cannon-android-vpn-bypass/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-441"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}


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