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CVE-2026-78596
Published:September 03, 2026
Updated:September 22, 2026
Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.
Affected Packages
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.5.0 <v9.5.3
Fix Suggestion:
Update to version v9.5.3
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.0.3 <v9.4.6
Fix Suggestion:
Update to version v9.4.6
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v8.18.3 <v8.19.21
Fix Suggestion:
Update to version v8.19.21
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.16