Insecure default permissions in Portainer CE_CVE-2026-33590

{
    "lastseen": "",
    "description": "Insecure default settings of Portainer CE grant regular (non-admin) users privileges that allow host filesystem access and host-level code execution. An authenticated non-administrative user with endpoint access can exploit these settings to read host files or obtain root equivalent \n\naccess on the host.",
    "published": "2026-05-28T19:30:06.697Z",
    "modified": "2026-05-28T19:30:06.697Z",
    "type": "cve",
    "title": "Insecure default permissions in Portainer CE",
    "source": "ENISA",
    "references": "https://intwave.com/blog/2026/02/26/improving-portainer-security.html\nhttps://github.com/portainer/portainer/commit/ac8fa7672e732b44b970c9eaf928eddd2c68796c\nhttps://github.com/portainer/portainer/commit/3e2fdb1891e81a8e4c5c8beb60e45f07c8ecae52",
    "id": "CVE-2026-33590",
    "bulletinFamily": "",
    "cwe": [
        "CWE-276"
    ],
    "cvelist": null,
    "sourceData": "Portainer Portainer Community Edition 0\nPortainer Portainer Community Edition 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.5,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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": "Portainer Community Edition",
    "version": "0",
    "vendor": "Portainer",
    "ai_description": "Insecure default settings grant non-admin users host filesystem access and code execution privileges",
    "ai_severity": "High",
    "ai_vendor": "Portainer",
    "ai_product": "Portainer Community Edition",
    "ai_version": "0",
    "ai_score": 8.5
}