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4.2 Medium

CVE-2026-78606 Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data…

Description

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.

Affected products and versions

Product Affected versions Fixed in
Kibana 9.5 9.5.0 → 9.5.1 No fix stated
Kibana 9.3 9.3.0 → 9.4.5 No fix stated
Kibana 8.19 8.19.11 → 8.19.20 No fix stated

References

Timeline

  1. Published
  2. Last modified

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