What’s Vulnerable › Vulnerabilities
CVE-2026-49088: Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosure
- Severity: medium (CVSS 4.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-01 · updated 2026-10-25
- Weakness: CWE-532
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.
Affected products
- Kibana: from 8.0.0 before 8.18.9; from 8.19.0 before 8.19.6; from 9.0.0 before 9.0.8; from 9.1.0 before 9.1.6 — fixed in 8.18.9, 8.19.6, 9.0.8, 9.1.6
How to fix
Upgrade to a fixed version: Kibana 8.18.9, 8.19.6, 9.0.8, 9.1.6. Check the vendor advisory for mitigations.
References
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