{"id":"CVE-2026-19311","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-19311","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…","details":"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.","published":"2026-08-12T19:17:31.660","modified":"2026-08-12T19:17:31.660","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://aws.amazon.com/about-aws/whats-new/2026/03/amazon-opensearch-service-version-3-5/"},{"type":"WEB","url":"https://aws.amazon.com/security/security-bulletins/2026-078-aws/"},{"type":"WEB","url":"https://github.com/opensearch-project/alerting/security/advisories/GHSA-xxpg-q3wh-685q"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T19:17:31.660"}}