PT-2026-44536 · Elastic · Kibana

Ismisepaul + 1 · Published 2026-05-28 · Updated 2026-06-01 · CVE-2026-49094

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 Uncontrolled Resource Consumption in Kibana can lead to a denial of service through excessive allocation. An authenticated user with viewer-level access can submit a request containing an oversized input value to an analytics collections management endpoint. This causes the system to consume excessive CPU and memory resources during processing, rendering Kibana unavailable to all users until the service is manually recovered.

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

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

BIT-ELK-2026-49094

BIT-KIBANA-2026-49094

CVE-2026-49094

Affected Products

Kibana

References · 5

• https://osv.dev/vulnerability/BIT-kibana-2026-49094 · Vendor Advisory
• https://discuss.elastic.co/t/kibana-8-19-16-security-update-esa-2026-39/386561/1 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-elk-2026-49094 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-49094 · Security Note
• https://twitter.com/dailycve/status/2061487215939604826 · Twitter Post