{"id":"CVE-2026-116186","title":"OpenRemote before 1.31.0 Gateway Authorization Bypass via Reversible mapAssetId","summary":"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 a…","severity":"low","cvss":2.3,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-639"],"vendor":"openremote","product":"core","affected":["core < 1.31.0"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-29T16:21:19.926117Z"},"exploitAvailable":true,"published":"2026-10-25","updated":"2026-10-29","sourceUpdated":"2026-10-29T16:21:35.837Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116186","references":[{"url":"https://github.com/openremote/core/security/advisories/GHSA-8pjc-wq2p-3xr4","label":"GitHub Security Advisory (GHSA-8pjc-wq2p-3xr4)"},{"url":"https://www.vulncheck.com/advisories/openremote-before-1.31.0-gateway-authorization-bypass-via-reversible-mapassetid","label":"VulnCheck Advisory: OpenRemote before 1.31.0 Gateway Authorization Bypass via Reversible mapAssetId"}],"tags":["cve.org","exploit-available"],"epss":0.00205,"epssPercentile":0.10449,"ingestedAt":"2026-10-25T22:08:29.937Z","slug":"CVE-2026-116186","body":"## Overview\n\nOpenRemote 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.\n\n## Affected\n\n- `core < 1.31.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":25,"depthScoreParts":{"impact":12.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":231886,"id":"CVE-2026-116186","ts":1793566929904,"field":"exploit_available","old":"false","new":"true"}]}