What is GHSA-g5rr-fgvg-q29h?

GHSA-g5rr-fgvg-q29h is a security advisory published by GitHub Security Advisories with Medium severity. Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via...

Which CVE IDs does GHSA-g5rr-fgvg-q29h cover?

GHSA-g5rr-fgvg-q29h covers the following CVE IDs: CVE-2026-63136. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g5rr-fgvg-q29h?

GHSA-g5rr-fgvg-q29h has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-g5rr-fgvg-q29hMediumCVSS 6.5

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

Vendor

GitHub Security Advisories

Published

July 21, 2026

Last Modified

July 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-63136 →

📋 Description

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A user with search privileges can submit a specially crafted search request that causes a data node to exhaust available heap memory, resulting in node unavailability and cluster degradation. An attacker could leverage this vulnerability to cause cluster downtime requiring manual intervention to restore service.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-63136
https://discuss.elastic.co/t/elasticsearch-8-19-15-9-2-9-9-3-4-security-update-esa-2026-60/388559
https://github.com/advisories/GHSA-g5rr-fgvg-q29h