{"id":"CVE-2026-87426","title":"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","summary":"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 i…","severity":"medium","cvss":5.3,"cvssVector":"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","cwe":["CWE-200"],"vendor":"Brocade","product":"Brocade Active Support Connectivity Gateway","affected":["active_support_connectivity_gateway < 3.5.0"],"published":"2026-10-08","updated":"2026-10-08","sourceUpdated":"2026-10-08T07:16:33.270","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-87426","references":[{"url":"https://support.broadcom.com/external/content/SecurityAdvisories/0/38393","label":"sirt@brocade.com"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-10-08T09:24:17.685Z","slug":"CVE-2026-87426","body":"## Overview\n\nAn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}