All vulnerabilities

Servers and applications

CVE-2026-102411

Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to Denial of Service via Excessive Allocation (CAPEC-130). Elasticsearch enforces a size limit on the user-supplied metadata field for each individual template resource, but does not limit the total memory used when multiple such resources are retrieved together. A user holding the *manage_index_templates*…

Severity
Medium 6.5
Published
6 Oct 2026
Last changed
9 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.19.23, 9.4.7, 9.5.3
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 9.4.7
  • From 9.5.0 before 9.5.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-102411
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-102411