{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72543",
        "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
        "state": "PUBLISHED",
        "assignerShortName": "TuranSec",
        "dateReserved": "2026-08-10T10:32:49.080Z",
        "datePublished": "2026-08-11T11:08:45.898Z",
        "dateUpdated": "2026-08-11T14:48:32.244Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
                "shortName": "TuranSec",
                "dateUpdated": "2026-08-11T11:08:45.898Z"
            },
            "title": "OpenSignLabs OpenSign - Insecure Direct Object Reference",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An insecure direct object reference vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any contact record via the getcontact Parse cloud function. The function executes with useMasterKey and performs no authentication or authorization checks before returning the requested contact object. An attacker can enumerate and read all contact records including personally identifiable information without credentials."
                }
            ],
            "affected": [
                {
                    "vendor": "OpenSignLabs",
                    "product": "OpenSign",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThanOrEqual": "2.37.0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://github.com/OpenSignLabs/OpenSign",
                    "name": "Project Repository"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "type": "CWE",
                            "cweId": "CWE-639",
                            "description": "CWE-639: Authorization Bypass Through User-Controlled Key"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Bobur Abdugafforov (Mahadsec)",
                    "type": "finder"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-11T14:47:21.567095Z",
                                "id": "CVE-2026-72543",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-11T14:48:32.244Z"
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    }
}