CVE-2026-0528CWE-129

Improper Input Validation in Metricbeat Leading to Denial of Service

Medium · published January 13, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
35.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00425 · 35.7th percentile
Weakness
CWE-129 · Improper Validation of Array Index
Published
2026-01-13T21:02Z
EPSS history
Timeline
  • 13 JAN 21:02Z
    Improper Input Validation in Metricbeat Leading to Denial of Service
    cvelistv5