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    3 vulnerabilities found for Unreal Engine by Epic Games

    CVE-2026-14765 (GCVE-0-2026-14765)

    Vulnerability from nvd – Published: 2026-10-14 02:31 – Updated: 2026-10-14 02:31
    VLAI
    Title
    Epic Games Unreal Engine Insecure Default URL Scheme Allowance in LaunchURL
    Summary
    Epic Games Unreal Engine versions up to and including 5.8.0 ship with an insecure default configuration for the LaunchURL Blueprint node (UKismetSystemLibrary::LaunchURL). The URL scheme filter (FURLRequestFilter) is empty by default, which permits all URL schemes. On Windows, this results in a call to ShellExecuteW() with the open verb, so a supplied file:/// URI causes the referenced file to be executed. Any Unreal Engine game that loads user-generated content containing Blueprints is vulnerable to command execution via a malicious local file or a remote file on a WebDAV share. This is an instance of CWE-1188 (Initialization of a Resource with an Insecure Default).
    Severity
    7.7 (High)
    CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CNA · AHA (v2.0.3)
    CWE
    • CWE-1188 - Initialization of a Resource with an Insecure Default
    Assigner
    AHA CNA under the mitre root
    CNA scorecard C 73/100 over 14 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Epic Games Unreal Engine Affected: 0 , ≤ 5.8.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-10-14 02:00
    Credits
    Khael Kugler todb of AHA!
    Show details on NVD website
    To clipboard 

    {
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          "product": "Unreal Engine",
          "vendor": "Epic Games",
          "versions": [
            {
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              "version": "0",
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            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Khael Kugler"
        },
        {
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          "type": "coordinator",
          "value": "todb of AHA!"
        }
      ],
      "datePublic": "2026-10-14T02:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
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              "value": "Epic Games Unreal Engine versions up to and including 5.8.0 ship with an insecure default configuration for the LaunchURL Blueprint node (UKismetSystemLibrary::LaunchURL). The URL scheme filter (FURLRequestFilter) is empty by default, which permits all URL schemes. On Windows, this results in a call to ShellExecuteW() with the open verb, so a supplied file:/// URI causes the referenced file to be executed. Any Unreal Engine game that loads user-generated content containing Blueprints is vulnerable to command execution via a malicious local file or a remote file on a WebDAV share. This is an instance of CWE-1188 (Initialization of a Resource with an Insecure Default)."
            }
          ],
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        }
      ],
      "metrics": [
        {
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            "attackVector": "LOCAL",
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            "baseScore": 7.7,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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      ],
      "source": {
        "discovery": "EXTERNAL"
      },
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    CVE-2026-14765 (GCVE-0-2026-14765)

    Vulnerability from cvelistv5 – Published: 2026-10-14 02:31 – Updated: 2026-10-14 02:31
    VLAI
    Title
    Epic Games Unreal Engine Insecure Default URL Scheme Allowance in LaunchURL
    Summary
    Epic Games Unreal Engine versions up to and including 5.8.0 ship with an insecure default configuration for the LaunchURL Blueprint node (UKismetSystemLibrary::LaunchURL). The URL scheme filter (FURLRequestFilter) is empty by default, which permits all URL schemes. On Windows, this results in a call to ShellExecuteW() with the open verb, so a supplied file:/// URI causes the referenced file to be executed. Any Unreal Engine game that loads user-generated content containing Blueprints is vulnerable to command execution via a malicious local file or a remote file on a WebDAV share. This is an instance of CWE-1188 (Initialization of a Resource with an Insecure Default).
    Severity
    7.7 (High)
    CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CNA · AHA (v2.0.3)
    CWE
    • CWE-1188 - Initialization of a Resource with an Insecure Default
    Assigner
    AHA CNA under the mitre root
    CNA scorecard C 73/100 over 14 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Epic Games Unreal Engine Affected: 0 , ≤ 5.8.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-10-14 02:00
    Credits
    Khael Kugler todb of AHA!
    Show details on NVD website
    To clipboard 

    {
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        {
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          "product": "Unreal Engine",
          "vendor": "Epic Games",
          "versions": [
            {
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          ]
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Khael Kugler"
        },
        {
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          "value": "todb of AHA!"
        }
      ],
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            }
          ],
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        }
      ],
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                {
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                {
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              "version": "2.0.3"
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    GCVE-1337-2026-000000000… (CVE-2026-14765)

    Vulnerability from gna-1337 – Published: 2026-10-14 02:31 – Updated: 2026-10-14 02:31
    VLAI
    Title
    Epic Games Unreal Engine Insecure Default URL Scheme Allowance in LaunchURL
    Summary
    Epic Games Unreal Engine versions up to and including 5.8.0 ship with an insecure default configuration for the LaunchURL Blueprint node (UKismetSystemLibrary::LaunchURL). The URL scheme filter (FURLRequestFilter) is empty by default, which permits all URL schemes. On Windows, this results in a call to ShellExecuteW() with the open verb, so a supplied file:/// URI causes the referenced file to be executed. Any Unreal Engine game that loads user-generated content containing Blueprints is vulnerable to command execution via a malicious local file or a remote file on a WebDAV share. This is an instance of CWE-1188 (Initialization of a Resource with an Insecure Default).
    Severity
    7.7 (High)
    CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CNA · AHA (v2.0.3)
    CWE
    • CWE-1188 - Initialization of a Resource with an Insecure Default
    Assigner
    AHA! GNA GNA-1337
    GNA scorecard C 73/100 over 14 records in the last 180 days details
    References
    Impacted products
    Vendor Product Version
    Epic Games Unreal Engine Affected: 0 , ≤ 5.8.0 (semver)
    		Create a notification for this product.
    Date Public
    2026-10-14 02:00
    Credits
    Khael Kugler todb of AHA!
    To clipboard 

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        {
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          "vendor": "Epic Games",
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      ],
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        }
      ],
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