EUVD-2026-81121

A vulnerability in the RADIUS feature of Cisco Identity Services Engine ISE could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of certain RADIUS requests. An attacker could exploit this...

Elasticsearch 8.x < 8.19.20 / 9.0.x < 9.3.0 DoS (ESA-2026-47)

The version of Elasticsearch installed on the remote host is 8.x prior to 8.19.20, or 9.0.x prior to 9.3.0. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-47 advisory. - Allocation of Resources Without Limits or Throttling CWE-770 in Elasticsearch can lead to a denial...

BIT-ELASTICSEARCH-2026-63136 Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

Uncontrolled Resource Consumption CWE-400 in Elasticsearch can lead to denial of service via Excessive Allocation CAPEC-130. A user with search privileges can submit a specially crafted search request that causes a data node to exhaust available heap memory, resulting in node unavailability and...

CVE-2026-56148

Uncontrolled Recursion CWE-674 in Elasticsearch can lead to a denial of service via Excessive Allocation CAPEC-130. An authenticated user can submit a specially crafted query that causes excessive resource consumption while the request is processed, which may render the affected node unavailable...