Vulnerability Report

CVE-2026-49088

Title: Insertion of Sensitive Information into Log File in Kibana

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2026-49088.

CWE Category CWE-532

Published Date Jul 01, 2026

Modified Date Jul 02, 2026

Exploit Status Not Found

Score 4.4 CVSS v3.1

Exploit Probability (EPSS)

0.21%

Vulnerability Summary

CVE-2026-49088: 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.

Impacted Vendors

elasticsearch 1

elastic 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.4

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-49088 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

July 02, 2026 MODIFIED

Vulnerability data updated via NVD.

July 01, 2026 MODIFIED

Vulnerability data updated via NVD.

July 01, 2026 MODIFIED

Vulnerability data updated via NVD.

July 01, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity HIGH

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.