{"id":"CVE-2026-81679","summary":"OpenRemote before 1.28.0 Cross-Realm Information Disclosure via Notification API","details":"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. 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.","aliases":["GHSA-6ff4-4frc-r287"],"modified":"2026-08-30T03:31:05.430461055Z","published":"2026-08-27T14:50:45.924Z","database_specific":{"cwe_ids":["CWE-200"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81679.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81679.json"},{"type":"ADVISORY","url":"https://github.com/openremote/openremote/security/advisories/GHSA-6ff4-4frc-r287"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81679"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openremote-before-1.28.0-cross-realm-information-disclosure-via-notification-api"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openremote/openremote","events":[{"introduced":"0"},{"fixed":"25d8661994764a5dc25210916b438960e8e8e1ac"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION"],"extracted_events":[{"introduced":"0"},{"fixed":"1.28.0"}]}}],"versions":["1.27.1","1.27.0","1.26.2","1.26.1","1.26.0","1.25.0","1.24.2","1.24.1","1.24.0","1.23.1","1.23.0","1.22.1","1.22.0","1.21.0","1.20.2","1.20.1","1.20.0","1.19.0","1.18.0","1.17.3","1.17.2","1.17.1","1.17.0","1.16.1","1.16.0","1.15.2","1.15.1","1.15.0","1.14.0","1.13.1","1.13.0","1.12.3","1.12.2","1.12.1","1.12.0","1.11.3","1.11.2","1.11.1","1.11.0","1.10.0","1.9.0","1.8.1","1.8.0","archive/console_loader","1.7.0","1.6.5","1.6.4","1.6.3","1.6.2","1.6.1","1.6.0","1.5.0","1.4.0","1.3.5","1.3.4","1.3.3","1.3.2","1.3.1","1.3.0","1.2.4","1.2.3","1.2.2","1.2.1","1.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-81679.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"}]}