elastic/beats · Security
Metricbeat affected by multiple denial of service vulnerabilities
- GHSA ID
- GHSA-w2gr-585j-r428
- CVE ID
- CVE-2026-0528
- Severity
- medium
- Published
- Updated
- CVSS
- 6.5 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 6.5 · CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
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.
CWEs
- CWE-129 · Improper Validation of Array Index
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-0528 ↗
- https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519 ↗
- https://github.com/elastic/beats/commit/0025fbfe668936eb8fa65b838508faf3c3c04387 ↗
- https://github.com/elastic/beats/commit/6e42552a23cec734e7977ebd3eb7fb797ddce456 ↗
- https://github.com/elastic/beats/commit/c7664c91a5a68c2df782bfeffe4fb7f42ff2ad1a ↗
- https://github.com/advisories/GHSA-w2gr-585j-r428 ↗