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CVE-2026-26940

nvd nist
Published: Mar 19, 2026Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.

Affected (3)

Products: Elastic: Kibana
Elastic
1 product
Kibana
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Elastic
Kibana
From 8.0.0 to 8.19.13
Kibana
From 9.0.0 to 9.2.7
Kibana
From 9.3.0 to 9.3.2

Related CWEs

CWE-1284
Improper Validation of Specified Quantity in Input
The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

References (1)

Source: security@elastic.co
Vendor Advisory

Timeline

No history available yet.