Seahub < 13.0.23 - Authentication Bypass in ShareLinkZipTaskView GET Method_CVE-2026-56768

{
    "lastseen": "",
    "description": "Seahub before 13.0.23 does not enforce SHARE_LINK_LOGIN_REQUIRED on GET /api/v2.1/share-link-zip-task/, allowing unauthenticated users to bypass authentication. Attackers with a folder share-link token can call the GET endpoint to obtain a fileserver zip token and download entire shared directory trees.",
    "published": "2026-06-25T18:05:06.817Z",
    "modified": "2026-06-25T18:05:06.817Z",
    "type": "cve",
    "title": "Seahub < 13.0.23 - Authentication Bypass in ShareLinkZipTaskView GET Method",
    "source": "VulnCheck",
    "references": "https://plus.seafile.com/wiki/publish/seafile-wiki/v5D5/\nhttps://github.com/haiwen/seahub/issues/9050\nhttps://github.com/haiwen/seahub/commit/b609949cf64ed6a15708d0fb5ea9c179962e23cc\nhttps://github.com/haiwen/seahub/commit/162cddae0831188d02bb8d451dc2193e197dcc57\nhttps://www.vulncheck.com/advisories/seahub-authentication-bypass-in-sharelinkziptaskview-get-method",
    "id": "CVE-2026-56768",
    "bulletinFamily": "",
    "cwe": [
        "CWE-862"
    ],
    "cvelist": null,
    "sourceData": "haiwen seahub 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
        "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": "seahub",
    "version": "0",
    "vendor": "haiwen",
    "ai_description": "Authentication bypass vulnerability in Seahub's ShareLinkZipTaskView GET method, allowing unauthenticated users to download shared directory trees.",
    "ai_severity": "High",
    "ai_vendor": "Seafile",
    "ai_product": "Seahub",
    "ai_version": "< 13.0.23",
    "ai_score": 8.7
}