AWS Amazon OpenSearch Service

4 known vulnerabilities in AWS Amazon OpenSearch Service, with patch priority, exploit likelihood and the news covering them.

Latest vulnerabilities

CVE-2026-84942 CVSS 6.3 medium Improper input validation in the Vega expression function implementation in OpenSearch Dashboards allows a remote authenticated actor with…
CVE-2026-77811 CVSS 6.2 medium Improper input validation in the dashboards-observability plugin in OpenSearch Dashboards allows a remote authenticated user with write…
CVE-2026-18420 CVSS 8.7 high Improper input validation in the Time Series Visual Builder (TSVB) plugin in OpenSearch Dashboards allows an authenticated remote user to…
CVE-2026-75897 CVSS 8.7 high Improper input validation in the capabilities route handler in OpenSearch Dashboards - the size of the request payload is not bounded …