CVE-2026-45182_CVE-2026-45182

2.2 / 10

LOW

CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

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.

Basic Information

ID CVE-2026-45182

Source mitre

Published May 9, 2026 at 22:07

Modified May 9, 2026 at 22:12

Affected Product

Vendor GrapheneOS

Product GrapheneOS

Affected Versions GrapheneOS GrapheneOS 0

CWE Classification

CWE-441

References

{
    "lastseen": "",
    "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.",
    "published": "2026-05-09T22:07:59.122Z",
    "modified": "2026-05-09T22:12:55.615Z",
    "type": "cve",
    "title": "CVE-2026-45182",
    "source": "mitre",
    "references": "https://lowlevel.fun/posts/tiny-udp-cannon-android-vpn-bypass/\nhttps://grapheneos.org/releases#2026050400\nhttps://cyberinsider.com/grapheneos-fixes-android-vpn-leak-google-refused-to-patch/",
    "id": "CVE-2026-45182",
    "bulletinFamily": "",
    "cwe": [
        "CWE-441"
    ],
    "cvelist": null,
    "sourceData": "GrapheneOS GrapheneOS 0",
    "sourceHref": "",
    "cvss": {
        "score": 2.2,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "GrapheneOS",
    "version": "0",
    "vendor": "GrapheneOS",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}