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).

CVSS v3 5.7 MEDIUM

5.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.1 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:elastic:metricbeat::::::::
	cpe:2.3:a:elastic:metricbeat::::::::

History

No history.

Information

Published : 2026-03-19 17:16

Updated : 2026-09-04 13:37

NVD link : CVE-2026-26931

Mitre link : CVE-2026-26931

CVE.ORG link : CVE-2026-26931

JSON object : View

Products Affected

elastic

metricbeat

CWE

CWE-789

Memory Allocation with Excessive Size Value

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