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CVE-2026-26940

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CVE-2026-26940

Published: Mar 19, 2026

Modified: Mar 19, 2026

PUBLISHED

CVSS v3.1

6.5

MEDIUM

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.

VendorProductVersions

Elastic

Kibana

affected
9.3.0 - <= 9.3.1
affected
9.0.0 - <= 9.2.6
affected
8.0.0 - <= 8.19.12

Weaknesses (CWE)

CWE-1284

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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