medium6.5
CVE-2026-0528
Metricbeat affected by multiple denial of service vulnerabilities
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/elastic/beats/v7 | < 7.0.0-alpha2.0.20251217054608-6e42552a23ce | 7.0.0-alpha2.0.20251217054608-6e42552a23ce |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Elastic | Kibana | from 7.0.0 before 7.17.29 from 8.0.0 before 8.19.10 from 9.0.0 before 9.1.10 from 9.2.0 before 9.2.4 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519
- https://github.com/advisories/GHSA-w2gr-585j-r428
- https://nvd.nist.gov/vuln/detail/CVE-2026-0528
- https://github.com/elastic/beats/commit/0025fbfe668936eb8fa65b838508faf3c3c04387
- https://github.com/elastic/beats/commit/6e42552a23cec734e7977ebd3eb7fb797ddce456
- https://github.com/elastic/beats/commit/c7664c91a5a68c2df782bfeffe4fb7f42ff2ad1a