CVE-2026-78595 | BDVDB-2026-367633 Detail

ElasticKibana

Description#

Missing Authorization in Kibana Leading to Information Disclosure / Missing Authorization (CWE-862) in the Kibana Fleet feature can lead to information disclosure via Privilege Abuse (CAPEC-122). An authenticated user holding read-level Fleet agent privileges in one Kibana space could enumerate agent metadata and access diagnostic content belonging to agents enrolled in other Kibana spaces.

Impact#

CAPEC-122 Privilege Abuse

Weaknesses#

CWE-862 Missing Authorization

References#

https://discuss.elastic.co/t/kibana-9-4-6-9-5-3-security-update-esa-2026-153/390160

Exploit#

No public exploit known

History#

Version 12026-09-03Record published in the CVE List.

Published

Published: 2026-09-03
Last modified: 2026-09-03

Vendor information

Vendor: Elastic
Product: Kibana

All Elastic vulnerabilities

Score

4.3 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 20.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Missing Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 9.1.0 and <= 9.4.5
Fixed
Not stated
Vulnerable
>= 9.5.0 and <= 9.5.2
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.3 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).