{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72544",
        "assignerOrgId": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
        "state": "PUBLISHED",
        "assignerShortName": "TuranSec",
        "dateReserved": "2026-08-10T10:32:49.081Z",
        "datePublished": "2026-08-11T11:09:00.608Z",
        "dateUpdated": "2026-08-11T12:24:54.943Z"
    },
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                "dateUpdated": "2026-08-11T11:09:00.608Z"
            },
            "title": "OpenSignLabs OpenSign - Insufficient Verification of Data Authenticity",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An integrity verification vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to forge document audit-trail entries via the triggerevent Parse cloud function. The function accepts viewer identity and IP address as caller-supplied parameters without authentication, allowing fabrication of arbitrary audit log entries. An attacker can tamper with the legal audit trail of any signed document, undermining non-repudiation."
                }
            ],
            "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-345",
                            "description": "CWE-345: Insufficient Verification of Data Authenticity"
                        }
                    ]
                }
            ],
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                            "lang": "en",
                            "value": "GENERAL"
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                        "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"
                    }
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            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Bobur Abdugafforov (Mahadsec)",
                    "type": "finder"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-11T12:24:35.047280Z",
                                "id": "CVE-2026-72544",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
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                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                ],
                "title": "CISA ADP Vulnrichment",
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                    "dateUpdated": "2026-08-11T12:24:54.943Z"
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