CVE-2026-26931

| EUVD-2026-13139 MEDIUM
2026-03-19 [email protected] GHSA-5vrw-qjxw-89r5
5.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 19, 2026 - 17:30 vuln.today
EUVD ID Assigned
Mar 19, 2026 - 17:30 euvd
EUVD-2026-13139
CVE Published
Mar 19, 2026 - 17:16 nvd
MEDIUM 5.7

Tags

Denial Of Service

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).

Analysis

Metricbeat's Prometheus remote_write HTTP handler is vulnerable to denial of service through excessive memory allocation when processing specially crafted requests from authenticated network-adjacent attackers. An attacker with local privileges can trigger unbounded memory allocation to exhaust system resources and crash the service. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

29
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +28
POC: 0

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CVE-2026-26931 vulnerability details – vuln.today
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