{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72545",
        "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
        "state": "PUBLISHED",
        "assignerShortName": "TuranSec",
        "dateReserved": "2026-08-10T10:32:49.081Z",
        "datePublished": "2026-08-11T11:09:17.003Z",
        "dateUpdated": "2026-08-11T15:07:50.383Z"
    },
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                "dateUpdated": "2026-08-11T11:09:17.003Z"
            },
            "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 write to any contact record via the updatecontacttour Parse cloud function. The function performs no authentication or authorization before updating the target contact record. An attacker can corrupt or overwrite contact data for any user in the system 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"
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                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Bobur Abdugafforov (Mahadsec)",
                    "type": "finder"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-11T15:07:36.100722Z",
                                "id": "CVE-2026-72545",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
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                                        "Technical Impact": "partial"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
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                    "dateUpdated": "2026-08-11T15:07:50.383Z"
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