{
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      {
        "metrics": [
          {
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              "content": {
                "id": "CVE-2026-109434",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
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                "timestamp": "2026-10-19T18:36:32.278770Z",
                "version": "2.0.3"
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          "dateUpdated": "2026-10-19T18:36:45.158Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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        {
          "defaultStatus": "unaffected",
          "product": "Sleipnir Mobile for Android",
          "vendor": "Fenrir",
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              "version": "0",
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      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Fanda Dwi Aprilianto"
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      ],
      "datePublic": "2026-10-15T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Fenrir Sleipnir Browser for Android before 3.9.0 contains a UI spoofing vulnerability that allows remote attackers to impersonate the browser\u0027s trusted address bar by entering fullscreen mode via the Fullscreen API without displaying a persistent notification or trusted-origin indicator. Attackers can render a counterfeit address bar showing a trusted origin over attacker-controlled content after a single user tap, enabling credential harvesting, malware delivery, or social engineering through fake login, update, or payment pages."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
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            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
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            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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            "confidentialityImpact": "NONE",
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            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-451",
              "description": "User Interface (UI) Misrepresentation of Critical Information",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
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      "providerMetadata": {
        "dateUpdated": "2026-10-19T18:12:51.637Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
        {
          "name": "Vendor Advisory",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://www.fenrir-inc.com/jp/news/2026/10/15/sleipnir-mobile-for-android-3-9-0/"
        },
        {
          "name": "VulnCheck Advisory: Sleipnir Browser \u003c 3.9.0 Fullscreen Address Bar Spoofing",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/sleipnir-browser-fullscreen-address-bar-spoofing"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Sleipnir Browser \u003c 3.9.0 Fullscreen Address Bar Spoofing",
      "x_generator": {
        "engine": "vulncheck"
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-109434",
    "datePublished": "2026-10-19T18:12:51.637Z",
    "dateReserved": "2026-10-12T15:52:36.682Z",
    "dateUpdated": "2026-10-19T18:36:45.158Z",
    "state": "PUBLISHED"
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}