PT-2026-6491 · Go · Github.Com/Elastic/Beats/V7

Published 2026-01-13 · Updated 2026-01-13

OSV

CVSS v3.1

6.5

Medium

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Fix

Improper Validation of Array Index

Weakness Enumeration

CWE-129

Related Identifiers

GHSA-W2GR-585J-R428

Affected Products

Github.Com/Elastic/Beats/V7

References · 7

• https://osv.dev/vulnerability/GHSA-w2gr-585j-r428 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-0528 · Security Note
• https://github.com/elastic/beats · Note
• https://github.com/elastic/beats/commit/c7664c91a5a68c2df782bfeffe4fb7f42ff2ad1a · Note
• https://github.com/elastic/beats/commit/0025fbfe668936eb8fa65b838508faf3c3c04387 · Note
• https://github.com/elastic/beats/commit/6e42552a23cec734e7977ebd3eb7fb797ddce456 · Note
• https://discuss.elastic.co/t/metricbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-01/384519 · Note