CVE-2026-19311
Missing Authorization in Execute Monitor API in OpenSearch Alerting Plugin
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
Missing authorization in the Execute Monitor API in Amazon OpenSearch Alerting plugin might allow an authenticated remote user to read, modify, or delete arbitrary index data via a crafted inline monitor request with unintentional data source and input index parameters.
| CWE | CWE-475 |
| Vendor | aws |
| Product | opensearch |
| Published | Aug 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
AWS / OpenSearch
2.4 ≤ 3.5
Github / OpenSearch
2.4.0 ≤ 2.19.5 3.0.0 ≤ 3.7.0