HomeElasticCVE-2026-26940

CVE-2026-26940

MEDIUM
6.5CVSS
Published: 2026-03-19
Updated: 2026-03-23
AI Analysis

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.

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
network
Complexity
low
Privileges
low
User Action
none
Scope
unchanged
Confidentiality
none
Integrity
none
Availability
high
Weaknesses
CWE-1284

Metadata

Primary Vendor
ELASTIC
Published
3/19/2026
Last Modified
3/23/2026
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

elastic : kibanaelastic : kibanaelastic : kibana

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CVE-CVE-2026-26940 | MEDIUM Severity | CVEDatabase.com | CVEDatabase.com