What is CVE-2026-42397?
This vulnerability (CWE-770) allows an authenticated user to cause a Denial of Service (CAPEC-130) in Kibana's Entity Analytics endpoints via an oversized input leading to excessive resource allocation. It is strongly recommended to upgrade Kibana to the latest patched version immediately.
Azərbaycanca: Bu boşluq (CWE-770) Kibana-nın Entity Analytics endpoint-lərində autentifikasiya olunmuş istifadəçiyə qeyri-məhdud resurs ayrılması nəticəsində DoS hücumu (CAPEC-130) etməyə imkan verir. Təcili olaraq Kibana-nı ən son versiyaya yeniləmək tövsiyə olunur.
FAQ2
Which component of Kibana does CVE-2026-42397 affect?
This vulnerability affects Kibana's Entity Analytics endpoints.
Does an attacker need to be authenticated to exploit CVE-2026-42397?
Yes, the attacker must be an authenticated user to exploit this vulnerability.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.