GHSA-x4hf-rw83-jxhf

GHSA-x4hf-rw83-jxhf PUBLISHED CVSS 6.5 MEDIUM

Missing Authorization (CWE-862) in Kibana’s server-side Detection Rule Management can lead to Unauthorized Endpoint Response Action Configuration (host isolation, process termination, and process suspension) via CAPEC-1 (Accessing Functionality Not Properly Constrained by ACLs). This requires an authenticated attacker with rule management privileges.

Risk Scores

CVSS 3.1

6.5

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

Timeline

Mar 19, 2026 CVE Published
Apr 10, 2026 Security Advisory

References

https://nvd.nist.gov/vuln/detail/CVE-2026-26939 advisory
https://discuss.elastic.co/t/kibana-8-19-12-9-2-6-9-3-1-security-update-esa-2026-19/385530 url

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