Moole Vulnerability Database

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Medium

CVE-2026-26931

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).

VectorADJACENT_NETWORK

PublishedMar 19, 2026, 17:16

Published Bysecurity@elastic.co

Base Score

Score5.7

Affected Versions

Package (Ecosystem)IntroducedFixedLimit

github.com/elastic/beats/v7(Go)07.0.0-alpha2.0.20260112100137-de072c4e371eN/A

References

https://discuss.elastic.co/t/metricbeat-8-19-13-9-2-5-security-update-esa-2026-09/385532

Weakness Type

CWE-789

CVSS Metrics

Base Score

5.7

Vector String

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Base SeverityMedium

Version

3.1

Attack Vector (AV)

ADJACENT_NETWORK