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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2026-26940

Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Elastic Kibana

Default version status: unaffected

  • 9.3.0 to ≤ 9.3.1affected
  • 9.0.0 to ≤ 9.2.6affected
  • 8.0.0 to ≤ 8.19.12affected

References