CVE-2026-18265

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "QuantaStor", "vendor": "OSNEXUS", "versions": [{"status": "affected", "version": "6.7.3.010+9c965a6414"}]}], "source": "zdi-disclosures@trendmicro.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OSNEXUS QuantaStor Missing Authentication Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of OSNEXUS QuantaStor. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the configuration of Kapacitor. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-30036."}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo por falta de autenticaci\u00f3n en OSNEXUS QuantaStor. Esta vulnerabilidad permite a atacantes remotos ejecutar c\u00f3digo arbitrario en instalaciones afectadas de OSNEXUS QuantaStor. No se requiere autenticaci\u00f3n para explotar esta vulnerabilidad.\n\nLa falla espec\u00edfica reside dentro de la configuraci\u00f3n de Kapacitor. El problema se debe a la falta de autenticaci\u00f3n antes de permitir el acceso a la funcionalidad. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root. Fue ZDI-CAN-30036."}], "id": "CVE-2026-18265", "lastModified": "2026-10-18T20:10:00.110", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18265", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-26T19:41:53.411316Z", "version": "2.0.3"}}]}, "published": "2026-08-20T17:17:23.017", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-480/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.7.3.010+9c965a6414"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "QuantaStor", "source": "cna", "vendor": "OSNEXUS"}, "product": "quantastor", "vendor": "osnexus"}], "created": "2026-08-20T18:45:02.953194+00:00", "updated": "2026-08-21T14:45:16.076482+00:00", "vendors": ["osnexus", "osnexus$PRODUCT$quantastor"]}