CVE-2026-19311
8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
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 Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| AWS | OpenSearch | 2.4 <= 3.5 | affected |
| Github | OpenSearch | 2.4.0 <= 2.19.5 | affected |
| Github | OpenSearch | 3.0.0 <= 3.7.0 | affected |
Weaknesses
- CWE-475: CWE-475 Undefined behavior for input to API
References
- https://aws.amazon.com/about-aws/whats-new/2026/03/amazon-opensearch-service-version-3-5/
- https://github.com/opensearch-project/alerting/security/advisories/GHSA-xxpg-q3wh-685q
- https://aws.amazon.com/security/security-bulletins/2026-078-aws/
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.