Path traversal in image upload with preview overwrite_CVE-2025-6465

{
    "lastseen": "",
    "description": "Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to sanitize file names which allows users with file upload permission to overwrite file attachment thumbnails via path traversal in file streaming APIs.",
    "published": "2025-08-21T17:01:42.866Z",
    "modified": "2025-08-21T17:30:45.951Z",
    "type": "cve",
    "title": "Path traversal in image upload with preview overwrite",
    "source": "Mattermost",
    "references": "https://mattermost.com/security-updates",
    "id": "CVE-2025-6465",
    "bulletinFamily": "",
    "cwe": [
        "CWE-22"
    ],
    "cvelist": null,
    "sourceData": "Mattermost Mattermost 10.8.0\nMattermost Mattermost 10.5.0\nMattermost Mattermost 10.10.0\nMattermost Mattermost 10.9.0",
    "sourceHref": "",
    "cvss": {
        "score": 4.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
        "version": "3.1"
    },
    "cvss2": [],
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        "baseScore": 0,
        "baseSeverity": "",
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        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Mattermost",
    "version": "10.8.0",
    "vendor": "Mattermost",
    "ai_description": "",
    "ai_severity": "",
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    "ai_product": "",
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    "ai_score": 0
}