{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8670", "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c", "state": "PUBLISHED", "assignerShortName": "NCSC.ch", "dateReserved": "2026-05-15T11:49:57.345Z", "datePublished": "2026-05-22T13:12:52.693Z", "dateUpdated": "2026-05-22T13:12:52.693Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "455daabc-a392-441d-aa46-37d35189897c", "shortName": "NCSC.ch", "dateUpdated": "2026-05-22T13:12:52.693Z"}, "title": "Insecure session handling on metrics web server", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-613", "description": "CWE-613 Insufficient session expiration", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-60", "descriptions": [{"lang": "en", "value": "CAPEC-60 Reusing Session IDs (aka Session Replay)"}]}], "affected": [{"vendor": "syslink software AG", "product": "Avantra", "platforms": ["Linux", "Windows"], "versions": [{"status": "affected", "version": "0", "lessThan": "25.3.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Insufficient session expiration vulnerability in syslink software AG Avantra on Linux, Windows allows Reusing Session IDs (aka Session Replay).<p>This issue affects Avantra: before 25.3.1.</p>"}]}], "references": [{"url": "https://support.avantra.com/hc/en-us/articles/5533929912351", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.6, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Vicxer Inc.", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.1"}}}}

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