{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.28.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "25d8661994764a5dc25210916b438960e8e8e1ac"
            }
          ],
          "repo": "https://github.com/openremote/openremote",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-6ff4-4frc-r287"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-200"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81679.json"
  },
  "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.",
  "id": "CVE-2026-81679",
  "modified": "2026-08-30T03:31:05.430461055Z",
  "published": "2026-08-27T14:50:45.924Z",
  "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"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenRemote before 1.28.0 Cross-Realm Information Disclosure via Notification API"
}