{"id":"CVE-2026-81679","title":"OpenRemote versions before 1.28.0 contain a cross-realm information disclosure vulnerability in the Notification REST API that allows per-realm tenant administrators to read all tenants' sent notifications including message bodies","summary":"OpenRemote versions before 1.28.0 contain a cross-realm information disclosure vulnerability in the Notification REST API that allows per-realm tenant administrators to read all tenants' sent notifications including message bodies. Attac…","severity":"high","cvss":7.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","cwe":["CWE-200"],"published":"2026-08-27","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:17:42.600","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81679","references":[{"url":"https://github.com/openremote/openremote/security/advisories/GHSA-6ff4-4frc-r287","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openremote-before-1.28.0-cross-realm-information-disclosure-via-notification-api","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00286,"epssPercentile":0.21343,"ingestedAt":"2026-09-23T17:28:14.808Z","slug":"CVE-2026-81679","body":"## Overview\n\nOpenRemote versions before 1.28.0 contain a cross-realm information disclosure vulnerability in the Notification REST API that allows per-realm tenant administrators to read all tenants' sent notifications including message bodies. Attackers with read:admin credentials in one realm can submit a zero-parameter GET request to the notification endpoint to retrieve sensitive notification metadata and message content from all realms.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}