What is CVE-2026-115295?

CVE-2026-115295 is a medium-severity vulnerability in Elastic Kibana, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-11-03.

How severe is CVE-2026-115295?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Elastic Kibana

CVE-2026-115295

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user with read access to connectors in one Kibana space can retrieve connector execution log information from other spaces that they are not authorized to access. The disclosed information includes connector names and identifiers, execution status, timestamps, error messages, and aggregated execution statistics.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-11-03 · last modified 2026-11-03.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Elastic Kibana

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

discuss.elastic.co/t/kibana-8-19-24-9-4-9-9-5-6-security-update-esa-2026-206/39…

Frequently asked questions

What is CVE-2026-115295?: CVE-2026-115295 is a medium-severity vulnerability in Elastic Kibana, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-11-03.
How severe is CVE-2026-115295?: Medium severity. CVSS v3 base score is 4.3 out of 10.