What is CVE-2026-72682?

CVE-2026-72682 is a medium-severity vulnerability in Elastic Kibana, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-09-01.

How severe is CVE-2026-72682?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Elastic Kibana

CVE-2026-72682

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 holding only low, read-level Agent Builder privileges could submit a specially crafted request that causes Kibana to consume an unbounded amount of memory, terminating the process and denying service to all users of the instance.

Published 2026-09-01 · last modified 2026-09-02.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.8th percentile), scored 2026-10-17.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Elastic Kibana

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

discuss.elastic.co/t/kibana-9-4-6-security-update-esa-2026-84/390054 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-72682?: CVE-2026-72682 is a medium-severity vulnerability in Elastic Kibana, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-09-01.
How severe is CVE-2026-72682?: Medium severity. CVSS v3 base score is 6.5 out of 10.