CVE-2026-49088 MEDIUM

CVE-2026-49088: Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure

Vendor Elastic
Product Kibana
Weakness CWE-532 · Sensitive info in logs
Published July 1, 2026
Last update July 1, 2026

CVSS base score

4.4/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 1, 2026 CVE published
July 1, 2026 Record updated