CVE-2026-75897

OpenSearch Dashboards' capabilities route handler does not bound request payload size, enabling unauthenticated remote attackers to exhaust server resources via a crafted HTTP request, causing denial of service (CVSS 7.5 HIGH). No exploitation observed; AWS security bulletin and download links ar...

CVE-2026-63178

Onyx is an open-source AI platform. Prior to 4.3.0, Onyx Enterprise Edition's PATCH /manage/admin/user-group/usergroupid and POST /manage/admin/user-group/usergroupid/add-users endpoints in ee/onyx/server/usergroup/api.py call updateusergroup and adduserstousergroup in ee/onyx/db/usergroup.py...

EUVD-2026-60497

Onyx is an open-source AI platform. Prior to 4.3.0, Onyx Enterprise Edition's PATCH /manage/admin/user-group/usergroupid and POST /manage/admin/user-group/usergroupid/add-users endpoints in ee/onyx/server/usergroup/api.py call updateusergroup and adduserstousergroup in ee/onyx/db/usergroup.py...

CVE-2026-63178 Onyx Curator-scope IDOR: any curator can modify membership of arbitrary user groups via unscoped PATCH /manage/admin/user-group/{id} and /add-users leading to cross-group document disclosure

Onyx is an open-source AI platform. Prior to 4.3.0, Onyx Enterprise Edition's PATCH /manage/admin/user-group/usergroupid and POST /manage/admin/user-group/usergroupid/add-users endpoints in ee/onyx/server/usergroup/api.py call updateusergroup and adduserstousergroup in ee/onyx/db/usergroup.py...

CVE-2026-63178 Onyx Curator-scope IDOR: any curator can modify membership of arbitrary user groups via unscoped PATCH /manage/admin/user-group/{id} and /add-users leading to cross-group document disclosure

Onyx is an open-source AI platform. Prior to 4.3.0, Onyx Enterprise Edition's PATCH /manage/admin/user-group/usergroupid and POST /manage/admin/user-group/usergroupid/add-users endpoints in ee/onyx/server/usergroup/api.py call updateusergroup and adduserstousergroup in ee/onyx/db/usergroup.py...

PT-2026-76835

Name of the Vulnerable Software and Affected Versions Onyx Enterprise Edition versions prior to 4.3.0 Description In the Enterprise Edition of the Onyx AI platform, the endpoints 'PATCH /manage/admin/user-group/user group id' and 'POST /manage/admin/user-group/user group id/add-users' call the...

CVE-2026-18428

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...

CVE-2026-18428 SQL Query Validation Bypass in OpenSearch Direct Query

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...

CVE-2026-18428

CVE-2026-18428 affects the OpenSearch SQL plugin’s Flint extension query handler. A SQL query validation bypass allows a remote authenticated actor with async query access to send a crafted query to the direct query endpoint and potentially execute arbitrary code on Apache Spark workers. The vuln...

EUVD-2026-58178

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...

CVE-2026-18428 SQL Query Validation Bypass in OpenSearch Direct Query

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...

PT-2026-71708

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...

CVE-2026-19311

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...

CVE-2026-18952

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...

CVE-2026-18952 Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin

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...

CVE-2026-18952 Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin

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...

CVE-2026-18952

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...

EUVD-2026-57422

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...

CVE-2026-18952

Technical details are not publicly available in the provided documents. Monitor for updates from NVD and CVE records.

CVE-2026-18952 Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin

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...