#VU121295 Improper Validation of Array Index in Metricbeat OSS - CVE-2026-0528

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Main Vulnerability Database Vulnerabilities #VU121295

#VU121295 Improper Validation of Array Index in Metricbeat OSS - CVE-2026-0528

Published: January 13, 2026


Vulnerability identifier: #VU121295
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-0528
CWE-ID: CWE-129
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Metricbeat OSS
Software vendor:
Elastic Stack

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation in the Prometheus helper module. A remote attacker can send specially crafted payloads to the Graphite server metricset or Zookeeper server metricset and perform a denial of service attack. 


Remediation

Install updates from vendor's website.

External links