PT-2026-31345 · Elastic · Kibana

Ismisepaul + 1 · Published 2026-04-08 · Updated 2026-04-13 · CVE-2026-33459

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Kibana (affected versions not specified)

Description An authenticated user with access to the automatic import feature can submit specially crafted requests with excessively large input values. When multiple such requests are sent concurrently, the backend services become unstable, resulting in service disruption and deployment unavailability for all users. This issue is due to excessive allocation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BIT-ELK-2026-33459

BIT-KIBANA-2026-33459

CVE-2026-33459

Affected Products

Kibana

References · 5

• https://osv.dev/vulnerability/BIT-elk-2026-33459 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-kibana-2026-33459 · Vendor Advisory
• https://discuss.elastic.co/t/kibana-8-19-14-9-2-8-9-3-3-security-update-esa-2026-26/385814 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-33459 · Security Note
• https://twitter.com/CVEnew/status/2041975630623871322 · Twitter Post