{"id":"CVE-2026-116186","kind":"vulnerability","aliases":["CVE-2026-116186"],"related":[],"title":"OpenRemote: gateway events can alter or delete assets in other realms","description":"OpenRemote core (openremote-manager) before 1.31.0 does not perform realm or gateway-descendant authorization on inbound edge gateway events and maps event asset IDs only through the reversible GatewayConnector.mapAssetId transform. An attacker controlling a registered gateway can craft pre-image IDs in AttributeEvent or DELETE AssetEvent messages to overwrite attributes on, or delete, assets in any realm, breaking tenant isolation.","summary":"OpenRemote core before 1.31.0 does not check realm or gateway ownership on inbound edge gateway events, and maps asset IDs with a reversible transform. A party controlling a registered gateway can overwrite attributes on, or delete, assets belonging to any tenant realm.","severity":"low","cvss":2.3,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["iot","multi-tenant","openremote","runtime","self-hosted"],"not_affected_if":["no-edge-gateways","single-realm-deployment","version-1.31.0-or-later"],"how_to_check":"- Check the installed openremote-manager version; it is affected if it is below `1.31.0`.\n- unknown","fix":"- Upgrade openremote-manager to `1.31.0` or later.\n- unknown","status":"open","published_at":"2026-10-25T14:16:58+00:00","first_seen_at":"2026-10-25T14:41:23+00:00","triaged_at":"2026-10-25T14:44:21+00:00","updated_at":"2026-10-25T14:44:21+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-25T14:44:21Z","model":"claude-haiku-5-5","output":{"fix":"- Upgrade openremote-manager to `1.31.0` or later.\n- unknown","reach":"network","title":"OpenRemote: gateway events can alter or delete assets in other realms","impact":"high","summary":"OpenRemote core before 1.31.0 does not check realm or gateway ownership on inbound edge gateway events, and maps asset IDs with a reversible transform. A party controlling a registered gateway can overwrite attributes on, or delete, assets belonging to any tenant realm.","category":"runtime","nicknames":[],"who_cares":["openremote","self-hosted","iot","multi-tenant"],"confidence":0.6,"needs_auth":"yes","worst_case":"Attacker alters or deletes assets in other tenants' realms.","analyst_note":"","how_to_check":"- Check the installed openremote-manager version; it is affected if it is below `1.31.0`.\n- unknown","needs_analyst":false,"not_affected_if":["single-realm-deployment","no-edge-gateways","version-1.31.0-or-later"],"who_is_affected":"Teams running self-hosted OpenRemote with multiple realms where edge gateways are registered and connected to the manager. Single-realm deployments with no untrusted gateways have a much smaller exposure. The sources do not say which gateway configurations are most exposed.","user_interaction":"no","needs_special_setup":"yes","severity_if_unknown":"unknown"},"cost_usd":0.000585,"input_tokens":3378,"output_tokens":494,"severity_before":"low"},"analyst_status":null,"analyst_note":null,"search":"'-116186':14A,17A '-2026':13A,16A '1.31.0':30B,75C 'alter':5A 'asset':8A,45B,63B,93C,125C 'assetev':117C 'attack':102C 'attribut':59B,121C 'attributeev':114C 'author':84C 'belong':64B 'break':129C 'check':33B 'control':53B,103C 'core':28B,70C 'craft':108C 'cve':12A,15A 'delet':7A,62B,116C,124C 'descend':83C 'edg':40B,87C 'event':3A,42B,89C,92C 'gateway':2A,36B,41B,56B,82C,88C,106C 'gateway-descend':81C 'gatewayconnector.mapassetid':99C 'host':26B 'id':46B,94C,112C 'imag':111C 'inbound':39B,86C 'iot':18B 'isol':131C 'manag':73C 'map':44B,91C 'messag':118C 'multi':20B 'multi-ten':19B 'openremot':1A,22B,27B,69C,72C 'openremote-manag':71C 'overwrit':58B,120C 'ownership':37B 'parti':52B 'perform':78C 'pre':110C 'pre-imag':109C 'realm':11A,34B,68B,79C,128C 'regist':55B,105C 'revers':49B,98C 'runtim':23B 'self':25B 'self-host':24B 'tenant':21B,67B,130C 'transform':50B,100C","nicknames":[],"mitigations":[],"who_affected":"Teams running self-hosted OpenRemote with multiple realms where edge gateways are registered and connected to the manager. Single-realm deployments with no untrusted gateways have a much smaller exposure. The sources do not say which gateway configurations are most exposed.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-25T14:16:58+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-116186","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116186","severity":null,"published_at":"2026-10-25T14:16:58+00:00","modified_at":"2026-10-25T14:16:58+00:00","first_seen_at":"2026-10-25T14:41:23+00:00","fetched_at":"2026-10-25T14:41:23+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}