CVE-2026-0528
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Elastic Kibana
PublishedJan 13, 2026
First seenJan 13, 2026
Weakness typeCWE-129CWE-129
How to fix
Update
- elastic kibana7.17.29, 8.19.10, 9.1.10, 9.2.4 or later
- github.com/elastic/beats/v77.0.0-alpha2.0.20251217054608-6e42552a23ce, 8.19.10, 9.1.10, 9.2.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elastic kibana | 7.0.0 ≤ v < 7.17.29, 8.0.0 ≤ v < 8.19.10, 9.0.0 ≤ v < 9.1.10, 9.2.0 ≤ v < 9.2.4 | 7.17.29, 8.19.10, 9.1.10, 9.2.4 |
| github.com/elastic/beats/v7Go | v < 7.0.0-alpha2.0.20251217054608-6e42552a23ce, 8.0.0 ≤ v < 8.19.10, 9.0.0 ≤ v < 9.1.10, 9.2.0 ≤ v < 9.2.4 | 7.0.0-alpha2.0.20251217054608-6e42552a23ce, 8.19.10, 9.1.10, 9.2.4 |
| github.com/elastic/beatsGo | No range specified | — |
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