Auth0 PHP SDK Insufficient Entropy in Cookie Encryption_CVE-2026-34236

{
    "lastseen": "",
    "description": "Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. From version 8.0.0 to before version 8.19.0, in applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. This issue has been patched in version 8.19.0.",
    "published": "2026-04-01T17:04:53.378Z",
    "modified": "2026-04-01T17:59:59.001Z",
    "type": "cve",
    "title": "Auth0 PHP SDK Insufficient Entropy in Cookie Encryption",
    "source": "GitHub_M",
    "references": "https://github.com/auth0/auth0-PHP/security/advisories/GHSA-w3wc-44p4-m4j7\nhttps://github.com/auth0/auth0-PHP/releases/tag/8.19.0",
    "id": "CVE-2026-34236",
    "bulletinFamily": "",
    "cwe": [
        "CWE-331"
    ],
    "cvelist": null,
    "sourceData": "auth0 auth0-PHP >= 8.0.0, < 8.19.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.2,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
        "version": "3.1"
    },
    "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": "auth0-PHP",
    "version": ">= 8.0.0, < 8.19.0",
    "vendor": "auth0",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}