{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87426", "assignerOrgId": "87b297d7-335e-4844-9551-11b97995a791", "state": "PUBLISHED", "assignerShortName": "brocade", "dateReserved": "2026-09-08T21:56:45.681Z", "datePublished": "2026-10-08T06:54:22.995Z", "dateUpdated": "2026-10-08T06:54:22.995Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "87b297d7-335e-4844-9551-11b97995a791", "shortName": "brocade", "dateUpdated": "2026-10-08T06:54:22.995Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-200", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-581", "descriptions": [{"lang": "en", "value": "CAPEC-581 Security Software Footprinting"}]}], "affected": [{"vendor": "Brocade", "product": "Brocade Active Support Connectivity Gateway", "versions": [{"status": "affected", "version": "0", "lessThan": "3.5.0", "versionType": "Brocade ASC-G"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state of managed Brocade Fabric OS (FOS) switches. This results in the unauthorized disclosure of the customer's SAN fabric management topology and switch connectivity attributes.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state of managed Brocade Fabric OS (FOS) switches. This results in the unauthorized disclosure of the customer's SAN fabric management topology and switch connectivity attributes.&nbsp;</p>"}]}], "references": [{"url": "https://support.broadcom.com/external/content/SecurityAdvisories/0/38393"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "Security update provided in Brocade ASCG 3.5.0", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>Security update provided in Brocade ASCG 3.5.0</div>"}]}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Brocade Active Support Connectivity Gateway", "vendor": "Brocade", "versions": [{"lessThan": "3.5.0", "status": "affected", "version": "0", "versionType": "Brocade ASC-G"}]}], "source": "sirt@brocade.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state of managed Brocade Fabric OS (FOS) switches. This results in the unauthorized disclosure of the customer's SAN fabric management topology and switch connectivity attributes."}], "id": "CVE-2026-87426", "lastModified": "2026-10-08T07:16:33.270", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "sirt@brocade.com", "type": "Secondary"}]}, "published": "2026-10-08T07:16:33.270", "references": [{"source": "sirt@brocade.com", "url": "https://support.broadcom.com/external/content/SecurityAdvisories/0/38393"}], "sourceIdentifier": "sirt@brocade.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "sirt@brocade.com", "type": "Secondary"}]}

{}

{"created": "2026-10-08T08:30:14.445698+00:00", "title": "Unauthenticated Disclosure of SAN Fabric Management Topology via Internal Endpoints", "updated": "2026-10-08T08:30:14.445712+00:00", "vendors": []}