CVE-2026-49088

Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure

State: Published
Severity: 4.4 Medium
Published: Jul 1, 2026
Updated: Jul 1, 2026
Reserved: May 27, 2026

Description

Insertion of Sensitive Information into Log File (CWE-532) in Kibana can lead to information disclosure. When the optional application performance monitoring (APM) instrumentation is enabled, sensitive request header values could be recorded in application logs, where they may be accessible to operators with log access.

Scores

CVSS	Score	Vector	Source
3.1	4.4 Medium	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N	elastic

Weaknesses

CWE-532 Insertion of Sensitive Information into Log File

Affected Products

Product	Versions
KibanaElastic	8.0.0 through 8.18.8Affected 9.1.0 through 9.1.5Affected 9.0.0 through 9.0.7Affected 8.19.0 through 8.19.5Affected

References

https://discuss.elastic.co/t/kibana-8-18-9-8-19-6-9-0-8-9-1-6-security-update-esa-2026-50

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