CVE-2026-81679

HIGH CVSS 4.0: 8.3 EPSS 0.39%
Updated Oct 08, 2026
Openremote
Parameter Value
CVSS 8.3 (HIGH)
Affected Versions before 1.28.0
Fixed In 1.28.0
Type CWE-200 (Information Exposure)
Vendor Openremote
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Openremote Openremote
cpe:2.3:a:openremote:openremote:*:*:*:*:*:*:*:*
— 1.28.0