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

CVSS 3.1 5.7 MEDIUMCheck source for fixed versionsKEV status unknown

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-26931

Published

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).

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-26931

Published

Metricbeat

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "product": "Metricbeat",
                    "vendor": "Elastic",
                    "versions": [
                        {
                            "lessThanOrEqual": "8.19.12",
                            "status": "affected",
                            "version": "8.0.0",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 15 Nov 19:06 UTC · 254 of 275 readable · 250 fully read · documentation 468/469 current