What is GHSA-mhgf-jqhm-p7p3?

GHSA-mhgf-jqhm-p7p3 is a security advisory published by GitHub Security Advisories with Medium severity. Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive...

Which CVE IDs does GHSA-mhgf-jqhm-p7p3 cover?

GHSA-mhgf-jqhm-p7p3 covers the following CVE IDs: CVE-2026-42400. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mhgf-jqhm-p7p3?

GHSA-mhgf-jqhm-p7p3 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-mhgf-jqhm-p7p3MediumCVSS 6.5

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive...

Vendor

GitHub Security Advisories

Published

May 28, 2026

Last Modified

May 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-42400 →

📋 Description

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated user can send a specially crafted compressed request payload that is processed prior to authorization checks, causing excessive memory and CPU resource consumption that can result in a Kibana instance becoming unresponsive or crashing.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-42400
https://discuss.elastic.co/t/kibana-8-19-16-9-3-5-9-4-2-security-update-esa-2026-35/386554
https://github.com/advisories/GHSA-mhgf-jqhm-p7p3