CVE-2026-19311: Missing Authorization in Execute Monitor API in OpenSearch Alerting Plugin
High · CVSS 8.1 (CVSS 3.1)EPSS 0.58%, 48th percentilePublished Updated Assigner: AMZN
Description
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.
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N · CWE-475
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
AWS: OpenSearchGithub: OpenSearch
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- aws.amazon.com/about-aws/whats-new/2026/03/amazon-opensearch-service-version-3-5/ (opens in new tab)
- aws.amazon.com/security/security-bulletins/2026-078-aws/ (opens in new tab)
- github.com/opensearch-project/alerting/security/advisories/GHSA-xxpg-q3wh-685q (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)