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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "HCL BigFix Service Management", "vendor": "HCL Software", "versions": [{"status": "affected", "version": "v27"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL BigFix Service Management is affected by an Unrestricted File Upload vulnerability due to improper file validation controls, which could allow an unauthenticated attacker to upload and execute malicious payloads, resulting in a complete server compromise."}], "id": "CVE-2026-56590", "lastModified": "2026-09-18T13:44:57.517", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-18T09:16:41.663", "references": [{"source": "[email protected]", "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133917"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "[email protected]", "type": "Secondary"}]}

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