CVE Catalog

CVE-2026-26931

MediumCVSS 5.7
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.18%

8th percentile - higher than 8% of all known CVEs

Summary

Memory Allocation with Excessive Size Value (CWE-789) in the Prometheus remote_write HTTP handler in Metricbeat can lead to Denial of Service via Excessive Allocation (CAPEC-130).

Risk Assessment

The risk is that an attacker can exhaust memory, potentially leading to unavailability of the Metricbeat service and potentially affecting system monitoring.

Recommendation

It is recommended to upgrade Metricbeat to a patched version and restrict access to the remote_write endpoint to prevent unauthorized requests.

Related vulnerabilities

Original NVD description (English source)

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).

Vulnerability data from NVD (NIST) · CISA KEV · EPSS