All vulnerabilities

Servers and applications

CVE-2026-102404

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memory condition that terminates the Elasticsearch node. The condition can be triggered repeatedly,…

Severity
Medium 6.5
Published
6 Oct 2026
Last changed
13 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.19.23, 9.4.8, 9.5.5
Sources
NVD

Affected software

SoftwareAffected versions
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch
  • From 8.0.0 before 8.19.23
  • From 9.0.0 before 9.4.8
  • From 9.5.0 before 9.5.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-102404
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-102404