CVE-2026-81679

HighCVSS 7.7/10Last modified Oct 8, 2026

Description

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.

Metrics

CVSS 3.1 7.7/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published: Aug 27, 2026
Last modified: Oct 8, 2026
NVD status: Deferred

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