CVE-2026-0528Improper Validation of Array Index in Metricbeat

Severity
7.5HIGHNVD
CNA6.5
EPSS
0.1%
top 83.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 13
Latest updateMar 10

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

CVEListV5elastic/metricbeat7.0.07.17.29+3
NVDelastic/kibana7.0.07.17.29+3
Gogithub.com/elastic_beats_v78.0.08.19.10+3

🔴Vulnerability Details

4
OSV
Metricbeat affected by multiple denial of service vulnerabilities in github.com/elastic/beats2026-03-10
OSV
Metricbeat affected by multiple denial of service vulnerabilities2026-01-13
CVEList
Improper Input Validation in Metricbeat Leading to Denial of Service2026-01-13
GHSA
Metricbeat affected by multiple denial of service vulnerabilities2026-01-13

🕵️Threat Intelligence

1
Wiz
CVE-2026-0528 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-0528 — Improper Validation of Array Index | cvebase