CouchCMS Privilege Escalation via f_k_levels_list Parameter_CVE-2026-29002

{
    "lastseen": "",
    "description": "CouchCMS contains a privilege escalation vulnerability that allows authenticated Admin-level users to create SuperAdmin accounts by tampering with the f_k_levels_list parameter in user creation requests. Attackers can modify the parameter value from 4 to 10 in the HTTP request body to bypass authorization validation and gain full application control, circumventing restrictions on SuperAdmin account creation and privilege assignment.",
    "published": "2026-04-10T15:11:43.411Z",
    "modified": "2026-04-10T16:20:02.847Z",
    "type": "cve",
    "title": "CouchCMS Privilege Escalation via f_k_levels_list Parameter",
    "source": "VulnCheck",
    "references": "https://gist.github.com/thepiyushkumarshukla/477e2d2bbbe8cc3ec0d640c50f0cf9e1\nhttps://www.couchcms.com/\nhttps://www.vulncheck.com/advisories/couchcms-privilege-escalation-via-f-k-levels-list-parameter",
    "id": "CVE-2026-29002",
    "bulletinFamily": "",
    "cwe": [
        "CWE-639"
    ],
    "cvelist": null,
    "sourceData": "CouchCMS CouchCMS 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.6,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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": "CouchCMS",
    "version": "0",
    "vendor": "CouchCMS",
    "ai_description": "Privilege escalation vulnerability in CouchCMS via f_k_levels_list parameter tampering",
    "ai_severity": "High",
    "ai_vendor": "CouchCMS",
    "ai_product": "CouchCMS",
    "ai_version": "0",
    "ai_score": 8.6
}