{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-86157",
        "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
        "state": "PUBLISHED",
        "assignerShortName": "ProgressSoftware",
        "dateReserved": "2026-09-05T09:09:32.191Z",
        "datePublished": "2026-09-29T06:34:17.555Z",
        "dateUpdated": "2026-09-30T15:28:20.346Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05",
                "shortName": "ProgressSoftware",
                "dateUpdated": "2026-09-30T14:06:18.125Z"
            },
            "title": "Exposure of Privileged IPC Functionality in Progress Telerik Fiddler Everywhere",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-749",
                            "description": "CWE-749 Exposed Dangerous Method or Function",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-122",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-122 Privilege Abuse."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Progress Software",
                    "product": "Progress® Telerik® Fiddler® Everywhere",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "1.0.0",
                            "lessThan": "8.2.0",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled content. Successful exploitation could result in disclosure of OAuth authentication tokens, execution of locally accessible programs, or unauthorized modification of application-generated configuration files.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Exposure of privileged IPC functionality in Progress Telerik Fiddler Everywhere before version 8.2.0 allows a local, low-privileged attacker who can modify application launch parameters and persuade a user to start the application to replace the application UI or settings with attacker-controlled content. Successful exploitation could result in disclosure of OAuth authentication tokens, execution of locally accessible programs, or unauthorized modification of application-generated configuration files."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.telerik.com/fiddler/fiddler-everywhere/documentation/knowledge-base/kb-security-exposed-dangerous-method-or-function-cve-2026-86157",
                    "tags": [
                        "vendor-advisory"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 5.6,
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N"
                    }
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "value": "Users should verify that Fiddler Everywhere shortcuts have not been modified with additional command-line arguments, verify the configured browser executable path, and avoid using application-generated authentication links when manual authentication is available.",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "Users should verify that Fiddler Everywhere shortcuts have not been modified with additional command-line arguments, verify the configured browser executable path, and avoid using application-generated authentication links when manual authentication is available."
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Ezinne Kalu (github.com/zikk090)",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "INTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 0.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2026-86157",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-09-30T15:18:29.456254Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-30T15:28:20.346Z"
                }
            }
        ]
    }
}