PT-2026-26314 · Elastic · Metricbeat

Published 2026-03-19 · Updated 2026-03-19 · CVE-2026-26931

Mitre

CVSS v3.1

5.7

Medium

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

Memory Allocation with Excessive Size Value (CWE-789) in the Prometheus remote write HTTP handler in Metricbeat can lead Denial of Service via Excessive Allocation (CAPEC-130).

Fix

Weakness Enumeration

CWE-789

Related Identifiers

CVE-2026-26931

Affected Products

Metricbeat

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-26931 · Security Note
• https://discuss.elastic.co/t/metricbeat-8-19-13-9-2-5-security-update-esa-2026-09/385532 · Note