All vulnerabilities

Servers and applications

CVE-2026-72683

A flaw in Elasticsearch allows an authenticated user with the privileges required to invoke the simulate pipeline API endpoint (https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-ingest-simulate) to submit a request that causes a self-referential data structure to be created. When a specific internal component later processes that structure, the operation recurses without…

Severity
Medium 6.5
Published
13 Aug 2026
Last changed
1 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.19.19, 9.3.8, 9.4.4
Sources
NVD

Affected software

SoftwareAffected versions
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch
  • From 5.0.0 before 8.19.19
  • From 9.3.0 before 9.3.8
  • From 9.4.0 before 9.4.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-72683
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-72683