Insecure session handling on metrics web server_CVE-2026-8670

{
    "lastseen": "",
    "description": "Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing Session IDs (aka Session Replay).\n\nThis issue affects Avantra: before 25.3.1.",
    "published": "2026-05-22T13:12:52.693Z",
    "modified": "2026-05-22T13:12:52.693Z",
    "type": "cve",
    "title": "Insecure session handling on metrics web server",
    "source": "NCSC.ch",
    "references": "https://support.avantra.com/hc/en-us/articles/5533929912351",
    "id": "CVE-2026-8670",
    "bulletinFamily": "",
    "cwe": [
        "CWE-613"
    ],
    "cvelist": null,
    "sourceData": "syslink software AG Avantra 0",
    "sourceHref": "",
    "cvss": {
        "score": 9.6,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
        "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": "Avantra",
    "version": "0",
    "vendor": "syslink software AG",
    "ai_description": "Insufficient session expiration vulnerability allowing session ID reuse",
    "ai_severity": "Critical",
    "ai_vendor": "syslink software AG",
    "ai_product": "Avantra",
    "ai_version": "before 25.3.1",
    "ai_score": 9.6
}