Vulnerability DatabaseCVE-2026-19311
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CVE-2026-19311
Published:August 12, 2026
Updated:September 01, 2026
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.
Affected Packages
https://github.com/opensearch-project/alerting.git (GITHUB):
Affected version(s) >=3.0.0.0 <3.8.0.0
Fix Suggestion:
Update to version 3.8.0.0
https://github.com/opensearch-project/alerting.git (GITHUB):
Affected version(s) >=2.4.0.0 <2.19.6.0
Fix Suggestion:
Update to version 2.19.6.0
Related Resources (5)
https://github.com/opensearch-project/alerting/security/advisories/GHSA-xxpg-q3wh-685q
https://aws.amazon.com/about-aws/whats-new/2026/03/amazon-opensearch-service-version-3-5/
https://aws.amazon.com/security/security-bulletins/2026-078-aws/
https://nvd.nist.gov/vuln/detail/CVE-2026-19311
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/19xxx/CVE-2026-19311.json
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Undefined Behavior for Input to API
CWE-475
EPSS
Base Score:
0.41