CVE-2026-115295

EUVD-2026-116076

03.11.2026, 17:17

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
elastic	CNA	4.3 MEDIUM	NETWORK	LOW	LOW	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).

Vendor	Product	Version	Source
elastic	kibana	8.7.0 ≤ 𝑥 ≤ 8.19.23	CNA
elastic	kibana	9.0.0 ≤ 𝑥 ≤ 9.4.8	CNA
elastic	kibana	9.5.0 ≤ 𝑥 ≤ 9.5.5	CNA

Common Weakness Enumeration

CWE-639 - Authorization Bypass Through User-Controlled Key
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

References

https://discuss.elastic.co/t/kibana-8-19-24-9-4-9-9-5-6-security-update-esa-2026-206/391360