CVE-2026-78586

Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user with low-level privileges could submit a specially crafted request that causes Kibana to consume an unbounded amount of memory, rendering it unavailable to all users.

  • Published Sep 2, 2026
  • CVSS 6.5 medium
  • 0.5% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-78586 at the National Vulnerability Database