Improper Verification of Cryptographic Signature in Elastic Package Registry Leading to Package Integrity Bypass_CVE-2026-33467

{
    "lastseen": "",
    "description": "Improper Verification of Cryptographic Signature (CWE-347) in Elastic Package Registry could allow an attacker positioned to intercept network traffic, or to otherwise influence the contents served to a self-hosted registry, to substitute a tampered package without the integrity check failing closed.",
    "published": "2026-04-28T21:15:24.551Z",
    "modified": "2026-04-28T21:15:24.551Z",
    "type": "cve",
    "title": "Improper Verification of Cryptographic Signature in Elastic Package Registry Leading to Package Integrity Bypass",
    "source": "elastic",
    "references": "https://discuss.elastic.co/t/elastic-package-registry-1-38-0-security-update-esa-2026-27/386081",
    "id": "CVE-2026-33467",
    "bulletinFamily": "",
    "cwe": [
        "CWE-347"
    ],
    "cvelist": null,
    "sourceData": "Elastic Elastic Package Registry 0.1.0",
    "sourceHref": "",
    "cvss": {
        "score": 5.9,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/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": "Elastic Package Registry",
    "version": "0.1.0",
    "vendor": "Elastic",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}