MEDIUM 4.2 NVD

CVE-2026-78606

Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Con

Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.

References

https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-142/39009

Published: 2026-09-01 · Source: NVD · Feed updated: 2026-09-01

This medium severity vulnerability with a CVSS score of 4.2 was published on 2026-09-01 via NVD.

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