CVE-2026-4819 MEDIUM

CVE-2026-4819: Search Guard audit logs can contain under certain conditions user credentials

Vendor Floragunn
Product Search Guard FLX
Weakness CWE-532 · Sensitive info in logs
Published March 31, 2026
Last update March 31, 2026
View on NVD All CVEs

CVSS base score

4.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

In Search Guard FLX versions from 1.0.0 up to 4.0.1, the audit logging feature might log user credentials from users logging into Kibana.

Key dates

02Disclosure timeline

March 31, 2026 CVE published
March 31, 2026 Record updated