UpHeron
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Servers and applications

CVE-2026-78607

Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.

Severity
High 7.1
Published
1 Sept 2026
Last changed
2 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 8.0.0 before 8.19.19
  • From 9.0.0 before 9.3.8
  • From 9.4.0 before 9.4.4
  • Version 9.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-78607
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-78607