Is CVE-2026-63138 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-63138?

CVE-2026-63138 has a CVSS v3 severity of MEDIUM (6.5).

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CVE-2026-63138

Description

Improper Neutralization of Special Elements in Data Query Logic (CWE-943) in Kibana can lead to information disclosure via NoSQL Injection (CAPEC-676). An authenticated user with access to the affected query functionality could submit specially crafted input that alters the intended query logic, returning data the user is not authorized to read.