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8 CVE

  1. CVE-2026-84942 8.7 Élevée

    AWS Amazon OpenSearch Service · OpenSearch Dashboards

    Improper input validation in the Vega expression function implementation in OpenSearch Dashboards allows a remote authenticated actor with dashboard write permissions to execute arbitrary JavaScript in the context of other users' browser sessions by saving a crafted Vega visualization. The checkForFunctionProperty validation routine failed to recurse into arrays of objects, allowing a function property nested inside an array to bypass validation.

  2. CVE-2026-77811 8.7 Élevée

    AWS Amazon OpenSearch Service · OpenSearch Dashboards dashboards-observability plugin

    Improper input validation in the dashboards-observability plugin in OpenSearch Dashboards allows a remote authenticated user with write permissions to OpenSearch Dashboards saved objects to execute arbitrary JavaScript in the context of other users' browser sessions by uploading a saved asset with arbitrary web content.

  3. CVE-2026-18420 8.8 Élevée

    AWS Amazon OpenSearch Service · OpenSearch Dashboards

    Improper input validation in the Time Series Visual Builder (TSVB) plugin in OpenSearch Dashboards allows an authenticated remote user to execute arbitrary code on the server via a crafted JSON payload to the metrics visualization API endpoint. This issue is a form of prototype pollution that enables remote code execution.  To remediate this issue, users should upgrade to OpenSearch Dashboards 3.8 or later.

  4. CVE-2026-75897 7.5 Élevée

    OpenSearch Dashboards · AWS Amazon OpenSearch Service

    Improper input validation in the capabilities route handler in OpenSearch Dashboards - the size of the request payload is not bounded - might allow remote attackers to cause a denial of service via a crafted HTTP request.

  5. CVE-2026-18428 8.8 Élevée

    AWS Opensearch · Github Opensearch

    A SQL query validation bypass in the Flint extension query handler in the OpenSearch SQL plugin allows a remote authenticated actor with async query access to execute arbitrary code on Apache Spark workers by sending a crafted SQL query to the direct query endpoint.

  6. CVE-2026-19311 8.1 Élevée

    AWS OpenSearch · Github OpenSearch

    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.

  7. CVE-2026-18952 8.1 Élevée

    AWS Opensearch · Github Opensearch

    Missing input validation in the threat intelligence feed parser in the OpenSearch Security Analytics plugin might allow an authenticated remote user to perform server-side request forgery and read local files via a crafted URL parameter to the threat intel source configuration endpoint.

  8. CVE-2026-7191 7.2 Élevée

    AWS QnABot on AWS

    Improper use of the static-eval npm package in the open source solution qnabot-on-aws versions 7.2.4 and earlier may allow an authenticated administrator to execute arbitrary code within the fulfillment Lambda execution context by injecting a crafted conditional chaining expression via the Content Designer interface, which bypasses the intended expression sandbox through JavaScript prototype manipulation. This may grant direct access to backend resources (Lambda environment variables, OpenSearch indices, S3 objects, DynamoDB tables) that are not exposed through normal administrative interfaces. We recommend you upgrade to version 7.3.0 or above.