CVE-2026-56151

This CVE affects Kibana with Fleet: Improper Input Validation (CWE-20) enabling Denial of Service via crafted Fleet policy input. Affected versions include 8.x (8.0.0–8.19.16), 9.x (9.0.0–9.3.5 and 9.4.0–9.4.2). The root cause is input validation failure for Fleet policy inputs, allowing an authe...

PT-2026-54866

Name of the Vulnerable Software and Affected Versions Kibana affected versions not specified Description Improper input validation in the Fleet policy management functionality allows an authenticated user to submit specially crafted input. This can lead to a denial of service, rendering the Fleet...