CVE-2026-26931

MEDIUM

Memory Allocation with Excessive Size Value in Metricbeat Leading to Denial of Service

Title source: cna
STIX 2.1

Description

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).

References (1)

Scores

CVSS v3 5.7
EPSS 0.0002
EPSS Percentile 6.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-789
Status published
Products (2)
elastic/beats 0 - 7.0.0-alpha2.0.20260112100137-de072c4e371eGo
Elastic/Metricbeat 8.0.0 - 8.19.12
Published Mar 19, 2026
Tracked Since Mar 19, 2026