CVE-2026-26931

MEDIUM

5.7

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).

CVE Details

CVSS v3.1 Score5.7

SeverityMEDIUM

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

Attack VectorADJACENT_NETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/19/2026

Last Modified3/20/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-789

References

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

IOC Correlations

No correlations recorded

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