{"id":"CVE-2026-0528","aliases":["GHSA-w2gr-585j-r428","GO-2026-4360"],"url":"https://o3.security/vulnerability/CVE-2026-0528","summary":"Improper Input Validation in Metricbeat Leading to Denial of Service","details":"Improper Validation of Array Index (CWE-129) exists in Metricbeat can allow an attacker to cause a Denial of Service through Input Data Manipulation (CAPEC-153) via specially crafted, malformed payloads sent to the Graphite server metricset or Zookeeper server metricset. Additionally, Improper Input Validation (CWE-20) exists in the Prometheus helper module that can allow an attacker to cause a Denial of Service through Input Data Manipulation (CAPEC-153) via specially crafted, malformed metric data.","published":"2026-01-13T21:02:18.501Z","modified":"2026-07-31T18:31:44.022163687Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/elastic/beats/v7","fixedVersion":"7.0.0-alpha2.0.20251217054608-6e42552a23ce"},{"ecosystem":"Go","name":"github.com/elastic/beats/v7","fixedVersion":"8.19.10"},{"ecosystem":"Go","name":"github.com/elastic/beats/v7","fixedVersion":"9.1.10"},{"ecosystem":"Go","name":"github.com/elastic/beats/v7","fixedVersion":"9.2.4"}],"fix":null,"references":[{"type":"WEB","url":"https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0528.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0528"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-31T18:31:44.022163687Z"}}