CVE-2026-42399 — Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user can cause Kibana t…
Published: 2026-05-28 · CVSS: 6.5 · CVSS 3.1
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user can cause Kibana to consume exponentially increasing amounts of memory by submitting a specially crafted Timelion visualization expression containing deeply chained function calls. The resulting data structure grows without bound, exhausting available memory and causing the Kibana service to crash and become unavailable to all users.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7