Vulnerability Instance

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/73293?format=api",
    "vulnerability_id": "VCID-znnp-87re-1qbz",
    "summary": "Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to validate user-supplied input in API request handlers which allows an authenticated attacker to crash the plugin process via a crafted HTTP request to the PR details endpoint.. Mattermost Advisory ID: MMSA-2026-00638",
    "aliases": [
        {
            "alias": "CVE-2026-4646"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4646",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00069",
                    "scoring_system": "epss",
                    "scoring_elements": "0.21396",
                    "published_at": "2026-06-11T12:55:00Z"
                },
                {
                    "value": "0.00069",
                    "scoring_system": "epss",
                    "scoring_elements": "0.2158",
                    "published_at": "2026-06-12T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4646"
        },
        {
            "reference_url": "https://mattermost.com/security-updates",
            "reference_id": "security-updates",
            "reference_type": "",
            "scores": [
                {
                    "value": "4.3",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
                },
                {
                    "value": "Track",
                    "scoring_system": "ssvc",
                    "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-05-22T12:13:12Z/"
                }
            ],
            "url": "https://mattermost.com/security-updates"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 1287,
            "name": "Improper Validation of Specified Type of Input",
            "description": "The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type."
        }
    ],
    "exploits": [],
    "severity_range_score": "4.3 - 4.3",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-znnp-87re-1qbz"
}