SiYuan vulnerable to arbitrary file read_CVE-2026-23850

{
    "lastseen": "",
    "description": "SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.",
    "published": "2026-01-19T19:52:58.615Z",
    "modified": "2026-01-19T19:56:47.029Z",
    "type": "cve",
    "title": "SiYuan vulnerable to arbitrary file read",
    "source": "GitHub_M",
    "references": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcw\nhttps://github.com/siyuan-note/siyuan/issues/16860\nhttps://github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27f1f6dd\nhttps://github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34b273ad\nhttps://github.com/siyuan-note/siyuan/blob/master/kernel/model/file.go#L1035\nhttps://github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.go#L799-L886",
    "id": "CVE-2026-23850",
    "bulletinFamily": "",
    "cwe": [
        "CWE-22"
    ],
    "cvelist": null,
    "sourceData": "siyuan-note siyuan < 3.5.4",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P",
        "version": "4.0"
    },
    "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": "siyuan",
    "version": "< 3.5.4",
    "vendor": "siyuan-note",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}