CVE-2026-78598 PUBLISHED

Incorrect Authorization in Kibana Leading to Unauthorized Cross-Space Exposure of Machine Learning Job Data

Assigner: elastic
Reserved: 24.08.2026 Published: 02.09.2026 Updated: 02.09.2026

Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding machine learning job management privileges within a single Kibana space could cause a job's saved object to become accessible across all spaces in the Kibana instance, without holding access rights to those additional spaces.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS Score: 5.4

Product Status

Vendor Elastic
Product Kibana
Versions Default: unaffected
  • affected from 8.0.0 to 8.19.18 (incl.)
  • affected from 9.0.0 to 9.3.7 (incl.)
  • affected from 9.4.0 to 9.4.3 (incl.)

References

Problem Types

  • CWE-863 Incorrect Authorization CWE

Impacts

  • CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels