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CVE-2026-19182

🗓️ 13 Aug 2026 04:50:39Reported by OpenNMSType 
cve
 cve
🔗 web.nvd.nist.gov👁 51 Views

Inverted auth check in OpenNMS v2 Alarm REST API lets ROLE_REST users acknowledge alarms as any user and bypass read-only restrictions.

Related
Affected
Refs
[
  {
    "vendor": "The OpenNMS Group",
    "product": "Meridian",
    "repo": "https://github.com/OpenNMS",
    "versions": [
      {
        "status": "affected",
        "version": "2024.1.0",
        "lessThan": "2024.3.12",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2025.0.0",
        "lessThan": "2025.0.9",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "The OpenNMS Group",
    "product": "Horizon",
    "repo": "https://github.com/OpenNMS",
    "versions": [
      {
        "status": "affected",
        "version": "36.0.0",
        "lessThan": "36.0.3",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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08 Sep 2026 19:20Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.14.3
EPSS0.00152
51