Elastic Kibana up to 8.18.8/8.19.5/9.0.7/9.1.5 Performance Monitor Page log file

Summaryinfo

A vulnerability was found in Elastic Kibana up to 8.18.8/8.19.5/9.0.7/9.1.5. It has been rated as problematic. This affects an unknown part of the component Performance Monitor Page. The manipulation leads to log file. This vulnerability is documented as CVE-2026-49088. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Elastic Kibana up to 8.18.8/8.19.5/9.0.7/9.1.5. It has been rated as problematic. This issue affects an unknown function of the component Performance Monitor Page. The manipulation with an unknown input leads to a log file vulnerability. Using CWE to declare the problem leads to CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. Impacted is confidentiality. The summary by CVE is:

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.

The advisory is shared at discuss.elastic.co. The identification of this vulnerability is CVE-2026-49088 since 05/27/2026. The exploitation is known to be difficult. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Elastic

Name

• Kibana

Version

• 8.18.0
• 8.18.1
• 8.18.2
• 8.18.3
• 8.18.4
• 8.18.5
• 8.18.6
• 8.18.7
• 8.18.8
• 8.19.0
• 8.19.1
• 8.19.2
• 8.19.3
• 8.19.4
• 8.19.5
• 9.0.0
• 9.0.1
• 9.0.2
• 9.0.3
• 9.0.4
• 9.0.5
• 9.0.6
• 9.0.7
• 9.1.0
• 9.1.1
• 9.1.2
• 9.1.3
• 9.1.4
• 9.1.5

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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