CVE-2026-0528Improper Input Validation in Metricbeat Leading to Denial of Service
Updated under an hour ago ()
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It affects Elastic Metricbeat and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-129
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- elastic
- NVD analysis
- Analyzed
- Record last updated
- Jan 13, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Elastic Metricbeat elastic:metricbeat (from the name) | from 7.0.0 through 7.17.29; from 8.0.0 through 8.19.9; from 9.0.0 through 9.1.9; from 9.2.0 through 9.2.3 | CNA record |
elastic kibana 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 | NVD |
References
- https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.