CVE-2026-26934

Summary

Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.

Affected Software

VendorProductVersion RangeStatus
ElasticKibana8.18.0 <= 8.19.11affected
ElasticKibana9.0.0 <= 9.2.5affected
ElasticKibana9.3.0 <= 9.3.0affected

Weaknesses

  • CWE-1284: CWE-1284 Improper Validation of Specified Quantity in Input

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References