{"schemaVersion":3,"id":"CVE-2026-111283","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"BMC Helix Network Management on-prem before 26.3.01 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as the local administrator with any password when SAML single sign-on is configured. Attackers can submit the administrator username with an arbitrary password on the web login page to obtain a SuperAdmin session, modify device credentials, run device commands, and alter audit records.","dates":{"published":"2026-10-15T21:43:26.742Z","modified":"2026-10-15T21:43:26.742Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.5,"severity":"critical","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":9.5,"severity":"critical","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":9,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":9.5,"severity":"critical","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-305","name":"Authentication Bypass by Primary Weakness","description":"The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/305.html"}],"affected":[{"vendor":"bmc helix","product":"bmc helix network management","name":"BMC Helix Network Management","label":"bmc helix network management","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 26.3.01","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 26.3.01","eol":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://docs.helixops.ai/bin/IT-Operations-Management/Operations-Management/BMC-Helix-Network-Management/NetworkManagement/Release-Notes/On-prem-Release-Notes/BMC-Helix-Network-Management-26-3-01-On-prem-Release-Notes/","label":"docs.helixops.ai/bin/…","hostname":"docs.helixops.ai","tags":["Release Notes","Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/bmc-helix-network-management-before-26.3.01-authentication-bypass-via-saml-configuration","label":"www.vulncheck.com/advisories/…","hostname":"www.vulncheck.com","tags":["Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-15T21:43:26.742Z","label":"Published","detail":"Vulnerability first disclosed.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-16T02:40:03.109Z","stale":false,"partial":false}}