CVE-2026-18634

{"id": "CVE-2026-18634", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18634", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-12T04:00:38.330155Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.4, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.5}]}, "affected": [{"source": "PSIRT@sonicwall.com", "affectedData": [{"vendor": "SonicWall", "product": "GMS", "versions": [{"status": "affected", "version": "9.5.1 and earlier versions"}], "platforms": ["Linux"], "defaultStatus": "unknown"}]}], "published": "2026-08-11T21:17:30.880", "references": [{"url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0011", "source": "PSIRT@sonicwall.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "PSIRT@sonicwall.com", "description": [{"lang": "en", "value": "CWE-502"}]}], "descriptions": [{"lang": "en", "value": "An insecure handling of serialized objects vulnerability was found in the one of the service of GMS application 9.5.1 (Build 9510.1044) and earlier versions. A local attacker with the ability to interact with the service could exploit this behavior to perform unauthorized actions through the affected component."}], "lastModified": "2026-08-28T18:58:27.140", "sourceIdentifier": "PSIRT@sonicwall.com"}