SB2026072277 - Resource exhaustion in Elasticsearch

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Main Vulnerability Database SB2026072277

SB2026072277 - Resource exhaustion in Elasticsearch

Published: July 22, 2026

Security Bulletin ID SB2026072277
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2026-63136)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to uncontrolled resource consumption in the search request handling functionality when processing a specially crafted search request. A remote user can submit a specially crafted search request to cause a denial of service.

The issue can exhaust heap memory on a data node, resulting in node unavailability and cluster degradation that may require manual intervention to restore service.


Remediation

Install update from vendor's website.

References