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8.1 High

CVE-2026-78583 Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Input Data Manipulation (CAPEC-153)

Description

Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Input Data Manipulation (CAPEC-153). Elasticsearch cluster privilege declarations originating from integration packages were not validated before being used to mint credentials for enrolled Elastic Agents. A user holding Fleet management privileges could therefore cause every Elastic Agent on a targeted policy to receive a credential carrying arbitrarily elevated Elasticsearch cluster privileges, up to and including full cluster administration.

Affected products and versions

Product Affected versions Fixed in
Kibana 9.5 9.5.0 → 9.5.2 No fix stated
Kibana 9.0 9.0.0 → 9.4.5 No fix stated
Kibana 8.0 8.0.0 → 8.19.20 No fix stated

References

Timeline

  1. Published
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