{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86391", "assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "state": "PUBLISHED", "assignerShortName": "dell", "dateReserved": "2026-09-07T10:04:28.184Z", "datePublished": "2026-10-28T09:25:47.501Z", "dateUpdated": "2026-10-28T09:25:47.501Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c550e75a-17ff-4988-97f0-544cde3820fe", "shortName": "dell", "dateUpdated": "2026-10-28T09:25:47.501Z"}, "datePublic": "2026-10-01T06:30:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-290", "description": "CWE-290: Authentication Bypass by Spoofing", "type": "CWE"}]}], "affected": [{"vendor": "Dell", "product": "PowerProtect Data Domain Management Center", "versions": [{"status": "affected", "version": "0", "lessThan": "8.9.0.0 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "7.13.1.90 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "8.3.1.50 or later", "versionType": "semver"}, {"status": "affected", "version": "0", "lessThan": "8.6.1.30 or later", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain Management Center, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Authentication Bypass by Spoofing vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Dell PowerProtect Data Domain Management Center, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Authentication Bypass by Spoofing vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service."}]}], "references": [{"url": "https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 6.4, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "PowerProtect Data Domain Management Center", "vendor": "Dell", "versions": [{"lessThan": "8.9.0.0 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "7.13.1.90 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "8.3.1.50 or later", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "8.6.1.30 or later", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security_alert@emc.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Dell PowerProtect Data Domain Management Center, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Authentication Bypass by Spoofing vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service."}], "id": "CVE-2026-86391", "lastModified": "2026-10-28T10:17:10.450", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security_alert@emc.com", "type": "Secondary"}]}, "published": "2026-10-28T10:17:10.450", "references": [{"source": "security_alert@emc.com", "url": "https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities"}], "sourceIdentifier": "security_alert@emc.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "security_alert@emc.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.9.0.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,7.13.1.90)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.3.1.50)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.6.1.30)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "PowerProtect Data Domain Management Center", "source": "cna", "vendor": "Dell"}, "product": "powerprotect_data_domain_management_center", "vendor": "dell"}], "created": "2026-10-28T10:15:03.444467+00:00", "title": "Authentication Bypass via Spoofing in Dell PowerProtect Data Domain Management Center", "updated": "2026-10-28T10:30:18.695362+00:00", "vendors": ["dell", "dell$PRODUCT$powerprotect_data_domain_management_center"]}