{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-104657",
        "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
        "state": "PUBLISHED",
        "assignerShortName": "ProgressSoftware",
        "dateReserved": "2026-10-02T07:20:03.845Z",
        "datePublished": "2026-11-06T16:33:21.722Z",
        "dateUpdated": "2026-11-06T17:47:49.791Z"
    },
    "containers": {
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                "orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
                "shortName": "ProgressSoftware",
                "dateUpdated": "2026-11-06T16:33:21.722Z"
            },
            "title": "Missing Integrity Verification in Progress Software Fiddler Download & Setup Skill",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-494",
                            "description": "CWE-494: Download of Code Without Integrity Check",
                            "type": "CWE"
                        },
                        {
                            "lang": "en",
                            "cweId": "CWE-377",
                            "description": "CWE-377: Insecure Temporary File",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-184",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-184: Software Integrity Attack"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Progress Software",
                    "product": "Fiddler Download & Setup Skill",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "8.3.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Missing integrity verification in the Progress Software Fiddler Download and Setup Skill on Linux, macOS, and Windows which allows an attacker to compromise or influence a release component and execute attacker-controlled code when a user runs the skill. On macOS, the skill stages the package at a predictable path and installs it with administrator privileges, which may allow code execution with root privileges after user approval. A local process may also replace the staged macOS package while the skill waits for approval.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Missing integrity verification in the Progress Software Fiddler Download and Setup Skill on Linux, macOS, and Windows which allows an attacker to compromise or influence a release component and execute attacker-controlled code when a user runs the skill. On macOS, the skill stages the package at a predictable path and installs it with administrator privileges, which may allow code execution with root privileges after user approval. A local process may also replace the staged macOS package while the skill waits for approval."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.telerik.com/fiddler/fiddler-everywhere/documentation/knowledge-base/kb-security-missing-download-integrity-verification-cve-2026-104657",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "HIGH",
                        "baseSeverity": "HIGH",
                        "baseScore": 7.5,
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"
                    }
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Do not run the affected skill version. Install Fiddler manually from the official distribution source, verify the downloaded artifact's publisher signature and available checksum, and on macOS use a per-user DMG installation without administrator privileges.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Do not run the affected skill version. Install Fiddler manually from the official distribution source, verify the downloaded artifact's publisher signature and available checksum, and on macOS use a per-user DMG installation without administrator privileges."
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Abhishek Nandkumar Bhaskar (Abhi-Hackz) & komyeonghane320f9",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-11-06T17:14:11.732315Z",
                                "id": "CVE-2026-104657",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-11-06T17:47:49.791Z"
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        ]
    }
}