{"id":"GHSA-5vrw-qjxw-89r5","summary":"Metricbeat Allocates Memory with Excessive Size Value Leading to Denial of Service","details":"Memory Allocation with Excessive Size Value (CWE-789) in the Prometheus remote_write HTTP handler in Metricbeat can lead Denial of Service via Excessive Allocation (CAPEC-130).","aliases":["CVE-2026-26931","GO-2026-4790"],"modified":"2026-07-17T21:16:17.643336021Z","published":"2026-03-19T18:31:18Z","database_specific":{"cwe_ids":["CWE-789"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-03-19T21:23:04Z","nvd_published_at":"2026-03-19T17:16:23Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26931"},{"type":"WEB","url":"https://github.com/elastic/beats/commit/de072c4e371eafeb2a42d65b9ad513f666e4ffd7"},{"type":"WEB","url":"https://discuss.elastic.co/t/metricbeat-8-19-13-9-2-5-security-update-esa-2026-09/385532"},{"type":"PACKAGE","url":"https://github.com/elastic/beats"}],"affected":[{"package":{"name":"github.com/elastic/beats/v7","ecosystem":"Go","purl":"pkg:golang/github.com/elastic/beats/v7"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.0.0-alpha2.0.20260112100137-de072c4e371e"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-5vrw-qjxw-89r5/GHSA-5vrw-qjxw-89r5.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}