Channel member objects leak read status_CVE-2025-55074

{
    "lastseen": "",
    "description": "Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to enforce access permissions on the Agents plugin which allows other users to determine when users had read channels via channel member objects",
    "published": "2025-11-18T15:23:29.642Z",
    "modified": "2025-11-18T21:03:22.890Z",
    "type": "cve",
    "title": "Channel member objects leak read status",
    "source": "Mattermost",
    "references": "https://mattermost.com/security-updates",
    "id": "CVE-2025-55074",
    "bulletinFamily": "",
    "cwe": [
        "CWE-1426"
    ],
    "cvelist": null,
    "sourceData": "Mattermost Mattermost 10.11.0\nMattermost Mattermost 10.5.0",
    "sourceHref": "",
    "cvss": {
        "score": 3,
        "severity": "LOW",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Mattermost",
    "version": "10.11.0",
    "vendor": "Mattermost",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}