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CVE-2026-111252 OpenNMS denial of service via XML entity expansion

🗓️ 15 Oct 2026 18:56:18Reported by OpenNMSType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Authenticated DoS in OpenNMS Meridian and Horizon via XML entity expansion.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-111252
15 Oct 202619:50
–circl
cve
CVE
CVE-2026-111252
15 Oct 202618:56
–cve
euvd
EUVD
EUVD-2026-102348
15 Oct 202618:56
–euvd
nvd
NVD
CVE-2026-111252
15 Oct 202619:17
–nvd
[
  {
    "vendor": "The OpenNMS Group",
    "product": "Meridian",
    "repo": "https://github.com/OpenNMS",
    "versions": [
      {
        "status": "affected",
        "version": "2024.1.0",
        "lessThan": "2024.3.14",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2025.0.0",
        "lessThan": "2025.0.11",
        "versionType": "maven"
      },
      {
        "status": "affected",
        "version": "2026.0.0",
        "lessThan": "2026.0.1",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "The OpenNMS Group",
    "product": "Horizon",
    "repo": "https://github.com/OpenNMS",
    "versions": [
      {
        "status": "affected",
        "version": "36.0.0",
        "lessThan": "36.0.5",
        "versionType": "maven"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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