{"id":"CVE-2026-103005","published":"2026-10-06T20:17:13.597","lastModified":"2026-10-09T15:45:28.747","description":"Memory Allocation with Excessive Size Value (CWE-789) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user with connector management privileges could cause the cluster to allocate an uncontrolled amount of memory when connector resources with an excessively large `description` field are created and subsequently accessed, exhausting available heap memory and crashing the affected node.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-789"],"vendors":["elastic"],"products":["elasticsearch"],"references":[{"url":"https://discuss.elastic.co/t/elasticsearch-8-19-23-9-4-8-9-5-5-security-update-esa-2026-195/390869","tags":["Vendor Advisory"]}],"exploitRefs":[],"hasPoc":false,"ai":null}