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TI-2023-15036 Aliases CVE-2023-31418GHSA-2cqf-6xv9-f22w

Elasticsearch uncontrolled resource consumption

Priority LOW 37CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-400.

Summary

An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. An unauthenticated user could force an Elasticsearch node to exit with an OutOfMemory error by sending a moderate number of malformed HTTP requests. The issue was identified by Elastic Engineering and we have no indication that the issue is known or that it is being exploited in the wild.

Why it matters now

EPSS 0.0205 81st percentileScored 2026-11-07
Fix Partial Elasticsearch (Elastic): 8.8.2, 3.6.0org.elasticsearch:elasticsearch (Maven): 7.17.13, 8.9.0Red Hat: 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ElasticElasticsearch7.17.12; 8.0.0 to before 8.8.2; 2.13.3 to before 3.6.08.8.2, 3.6.0Patch availableCNA
—org.elasticsearch:elasticsearch (Maven)before 7.17.137.17.13Patch availableGHSA-2cqf-6xv9-f22w
—org.elasticsearch:elasticsearch (Maven)8.0.0 to before 8.9.08.9.0Patch availableGHSA-2cqf-6xv9-f22w
  • Elasticsearch VendorElastic Affected 7.17.12; 8.0.0 to before 8.8.2; 2.13.3 to before 3.6.0 Fixed in 8.8.2, 3.6.0 Patch available CNA
  • org.elasticsearch:elasticsearch (Maven) Vendor— Affected before 7.17.13 Fixed in 7.17.13 Patch available GHSA-2cqf-6xv9-f22w
  • org.elasticsearch:elasticsearch (Maven) Vendor— Affected 8.0.0 to before 8.9.0 Fixed in 8.9.0 Patch available GHSA-2cqf-6xv9-f22w

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*up to 7.17.12; 8.0.0 – 8.8.2VulnerableElastic
cpe:2.3:a:elastic:elastic_cloud_enterprise:*:*:*:*:*:*:*:*up to 2.13.3VulnerableElastic
cpe:2.3:a:elastic:elastic_cloud_enterprise:3.6.0:*:*:*:*:*:*:*3.6.0VulnerableElastic
  • cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:* Versions up to 7.17.12; 8.0.0 – 8.8.2 Vulnerable ·Elastic
  • cpe:2.3:a:elastic:elastic_cloud_enterprise:*:*:*:*:*:*:*:* Versions up to 2.13.3 Vulnerable ·Elastic
  • cpe:2.3:a:elastic:elastic_cloud_enterprise:3.6.0:*:*:*:*:*:*:* Versions 3.6.0 Vulnerable ·Elastic

Remediation

  • Fix · CNA Elasticsearch (Elastic) Fixed in 8.8.2, 3.6.0
  • Fix · GHSA-2cqf-6xv9-f22w org.elasticsearch:elasticsearch (Maven) Fixed in 7.17.13 Advisory →
  • Fix · GHSA-2cqf-6xv9-f22w org.elasticsearch:elasticsearch (Maven) Fixed in 8.9.0 Advisory →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat JBoss Fuse Service Works 6AffectedNo fix planned: Out of support scope
Red Hat Quay 3AffectedNo fix yet
Not affected: 1 product
  • Logging Subsystem for Red Hat OpenShift

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-31418
  2. 2026-10-03 Alias added: GHSA-2cqf-6xv9-f22w

References

Advisory 3

Other 2

  • TI-2024-24797 Improper authorization in Elastic Cloud Enterprise CVSS 3.1CRITICAL 9.8
  • TI-2025-25085 Elastic Cloud Enterprise (ECE) Improper Neutralization of Special Elements Used in a Template Engine CVSS 3.1CRITICAL 9.1
  • TI-2025-25091 Elastic Cloud Enterprise Improper Authorization CVSS 3.1HIGH 8.8
  • TI-2026-82441 Link following in Elastic Cloud Enterprise exposes deployment data CVSS 3.1HIGH 8.2
  • TI-2026-82444 Link following in Elastic Cloud Enterprise exposes other deployments CVSS 3.1HIGH 7.5
  • TI-2018-02798 Sensitive information in log files in Elastic Cloud Enterprise CVSS 3.0HIGH 7.5
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences