What’s Vulnerable › Vulnerabilities
CVE-2026-78596: Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-03 · updated 2026-09-08
- Weakness: CWE-862
Description
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 products
- Kibana: from 8.18.3 through 8.19.20; from 9.0.3 through 9.4.5; from 9.5.0 through 9.5.2
References
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