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CVE-2026-77811

🗓️ 21 Aug 2026 20:09:19Reported by AMZNType 
cve
 cve
🔗 web.nvd.nist.gov👁 56 Views

Stored XSS in OpenSearch Dashboards dashboards-observability via Integration Template Asset upload.

Related
Detection
Affected
Refs
[
  {
    "vendor": "AWS",
    "product": "Amazon OpenSearch Service",
    "versions": [
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "OpenSearch",
    "product": "OpenSearch Dashboards dashboards-observability plugin",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "3.4",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.19.6",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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27 Aug 2026 20:18Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.2
CVSS 3.18.7
EPSS0.00371
SSVC
56