{"id":"UBUNTU-CVE-2026-49090","details":"Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk request that causes sustained high CPU consumption, which can render the affected node unable to process requests.","modified":"2026-07-09T15:20:05Z","published":"2026-07-01T18:16:00Z","upstream":["CVE-2026-49090"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-49090"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-49090"},{"type":"REPORT","url":"https://discuss.elastic.co/t/elasticsearch-7-17-24-8-15-0-security-update-esa-2026-52"}],"affected":[{"package":{"name":"elasticsearch","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/elasticsearch?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.2+dfsg-1","1.7.3+dfsg-1","1.7.3+dfsg-2","1.7.3+dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_name":"elasticsearch","binary_version":"1.7.3+dfsg-3"},{"binary_name":"libelasticsearch1.7-java","binary_version":"1.7.3+dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-49090.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}