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Red Hat CVE-2026-26940

| EUVD-2026-13145 MEDIUM
Improper Validation of Specified Quantity in Input (CWE-1284)
2026-03-19 elastic
6.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

3
EUVD ID Assigned
Mar 19, 2026 - 18:00 euvd
EUVD-2026-13145
Analysis Generated
Mar 19, 2026 - 18:00 vuln.today
CVE Published
Mar 19, 2026 - 17:14 nvd
MEDIUM 6.5

DescriptionNVD

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.

AnalysisAI

A Denial of Service vulnerability exists in Kibana's Timelion visualization plugin that allows authenticated users to trigger excessive memory allocation through improper validation of specially crafted Timelion expressions. An attacker with valid Kibana credentials can overwrite internal series data properties with excessively large quantity values, causing the application to exhaust system resources and become unavailable. …

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RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Vendor StatusVendor

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CVE-2026-26940 vulnerability details – vuln.today

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