{"id":"CVE-2026-81531","aliases":["EUVD-2026-73160","GHSA-2pv5-9q5x-x59w"],"status":"published","title":"Unauthenticated Account Information Disclosure in Multiple Omada Controllers","description":"An information\ndisclosure vulnerability has been identified in Omada Controller.  An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users. \n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00666,"percentile":0.5227,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-09-08T16:53:18Z","modified":"2026-09-21T18:17:10Z","products":[{"vendor":"tp link systems inc.","product":"oc200 v2"},{"vendor":"tp-link system inc.","product":"omada software controller"},{"vendor":"tp-link systems inc","product":"oc200 v3"},{"vendor":"tp-link systems inc","product":"oc220 v2"},{"vendor":"tp-link systems inc.","product":"oc200 v1"},{"vendor":"tp-link systems inc.","product":"oc220 v1"},{"vendor":"tp-link systems inc.","product":"oc300 v1"},{"vendor":"tp-link systems inc.","product":"oc400 v1"},{"vendor":"tp-link systems inc.","product":"omada software controller"}],"references":[{"url":"https://support.omadanetworks.com/us/download/software/omada-controller/","tags":["patch"]},{"url":"https://support.omadanetworks.com/us/document/133567/","tags":["vendor-advisory"]},{"url":"https://support.omadanetworks.com/en/download/software/omada-controller/","tags":["patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81531"},{"url":"https://support.omadanetworks.com/en/download/software/omada-controller"},{"url":"https://support.omadanetworks.com/us/document/133567"},{"url":"https://support.omadanetworks.com/us/download/software/omada-controller"},{"url":"https://github.com/advisories/GHSA-2pv5-9q5x-x59w"}],"sources":{"cve":[{"id":"CVE-2026-81531","title":"Unauthenticated Account Information Disclosure in Multiple Omada Controllers","description":"An information\ndisclosure vulnerability has been identified in Omada Controller.  An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users. \n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts.","status":"published","published":"2026-09-08T16:53:18.786Z","modified":"2026-09-21T18:01:46.384Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:36:18.075535Z"}],"euvd":[{"id":"EUVD-2026-73160","description":"An information\ndisclosure vulnerability has been identified in Omada Controller.  An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users. \n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts.","status":"published","published":"2026-09-08T16:53:18Z","modified":"2026-09-21T18:01:46Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:28:05.032636Z"}],"ghsa":[{"id":"GHSA-2pv5-9q5x-x59w","title":"An information\ndisclosure vulnerability has been identified in Omada Controller.  An API endpoint...","description":"An information\ndisclosure vulnerability has been identified in Omada Controller.  An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users. \n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts.","status":"published","published":"2026-09-08T18:31:56Z","modified":"2026-09-08T18:32:06Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/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","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:11:29.303164Z"}],"nvd":[{"id":"CVE-2026-81531","description":"An information\ndisclosure vulnerability has been identified in Omada Controller.  An API endpoint intended for Controller initialization\nremains accessible after completion and may disclose account-related\ninformation to unauthenticated remote users. \n\n\n\n\n\n\nSuccessful\nexploitation may allow an attacker to remote query the affected endpoint that\nmay facilitate user enumeration and subsequent attacks targeting administrative\naccounts.","status":"published","published":"2026-09-08T17:18:32.833Z","modified":"2026-09-21T18:17:10.9Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:44.436435Z"}]}}