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Servers and applications

CVE-2026-72649

Deserialization of Untrusted Data (CWE-502) in the Elasticsearch machine learning component can lead to remote code execution via Object Injection (CAPEC-586). A specially crafted trained model artifact could cause attacker-controlled logic to execute with a materially broader system-call surface than intended. Exploitation requires an authenticated user with sufficient privileges to create and…

Severity
High 8.8
Published
1 Sept 2026
Last changed
2 Sept 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.19.20, 9.4.5
Sources
NVD

Affected software

SoftwareAffected versions
ElasticsearchServers and applications · cpe:a:elastic:elasticsearch
  • From 8.0.0 before 8.19.20
  • From 9.0.0 before 9.4.5
  • Version 9.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-72649
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-72649