CVE-2026-63137

8.3 highEPSS 0.5%

High (8.3) in elastic kibana. EPSS 0.5% chance of exploitation in the next 30 days.

Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). A user holding workflow edit permissions could cause scheduled workflow executions to run with the privileges of a different, higher-privileged user, allowing access to and modification of data beyond their own authorization scope.

Severity

CVSS 3.1

8.3 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-863
Published: 2026-09-01
Modified: 2026-09-02
Record from: the NVD, synced 2026-10-19

Affected

elastic:kibana

References

https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-61/390086

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