CVE-2026-81679
OpenRemote before 1.28.0 Cross-Realm Information Disclosure via Notification API
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-200 |
| Vendor | openremote |
| Product | openremote |
| Published | Aug 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
openremote / openremote
0 < 1.28.0
References
Credits
🔍 manus-use