CVE-2026-45831_CVE-2026-45831

{
    "lastseen": "",
    "description": "The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.",
    "published": "2026-06-12T15:03:58.841Z",
    "modified": "2026-06-12T15:03:58.841Z",
    "type": "cve",
    "title": "CVE-2026-45831",
    "source": "HiddenLayer",
    "references": "https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3",
    "id": "CVE-2026-45831",
    "bulletinFamily": "",
    "cwe": [
        "CWE-863"
    ],
    "cvelist": null,
    "sourceData": "Chroma ChromaDB 0.5.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.8,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/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": "ChromaDB",
    "version": "0.5.0",
    "vendor": "Chroma",
    "ai_description": "Cross-tenant authorization bypass vulnerability in ChromaDB",
    "ai_severity": "High",
    "ai_vendor": "Chroma",
    "ai_product": "ChromaDB",
    "ai_version": "0.5.0",
    "ai_score": 8.8
}